CVE-2020-3299
mediumPriorität · verfolgen · 24EPSS 0.023 · 83. PerzentilDEEURUUSEPSS · bewertet 2026-10-26
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured File Policy for HTTP packets and deliver a malicious payload.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco 4000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 2100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 4100 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 9000 Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Secure Firewall Threat Defense Virtualcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - BehobenCisco UTD SNORT IPS Engine Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (101)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2023-0340Verschiedene Cisco Produkte: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2020-10-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in der Snort Detection Engine in verschiedenen Cisco Produkten ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- cisco-sa-ftd-bypass-3eCfd24jMultiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability2020-10-21csaf · cisco_csafUS
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured File Policy for HTTP packets and deliver a malicious payload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (15)
Externe Belege — Patches, Meldungen, Analysen.
- http://www.nsfocus.net/vulndb/50167cnnvd
- https://lists.debian.org/debian-lts-announce/2023/02/msg00011.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-3299cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24jcnnvd
- https://vigilance.fr/vulnerability/Cisco-Meraki-MX-privilege-escalation-via-Snort-HTTP-Detection-Bypass-33661cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.3640/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.0833cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.1047cnnvd
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