CVE-2024-20363
mediumPriorität · verfolgen · 0EPSS 0.004 · 30. PerzentilDEEUNLRUUSEPSS · bewertet 2026-10-26
Multiple Cisco products are affected by a vulnerability in the Snort Intrusion Prevention System (IPS) rule engine that could allow an unauthenticated, remote attacker to bypass the configured rules on an affected system. This vulnerability is due to incorrect HTTP packet handling. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Secure Firewall Threat Defense (FTD) Software 7.4.0 when installed on Cisco Secure Firewall 4200 Seriescisco_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 (24)
Betroffene Produkte und Versionsbereiche.
- Cisco Firepower Threat Defense Softwarealle Versionencert_bundDEcpe:/a:cisco:firepower:threat_defense_software
- cisco_firepower_threat_defense_softwarealle Versionenncsc_nlNLcpe:2.3:a:cisco:cisco_firepower_threat_defense_software:7.4.0:*:*:*:*:*:*:*
- cisco_utd_snort_ips_engine_softwarealle Versionenncsc_nlNLcpe:2.3:a:cisco:cisco_utd_snort_ips_engine_software:17.6.5:*:*:*:*:*:*:*
- cisco_utd_snort_ips_engine_softwarealle Versionenncsc_nlNLcpe:2.3:a:cisco:cisco_utd_snort_ips_engine_software:17.12.1a:*:*:*:*:*:*:*
- cisco_utd_snort_ips_engine_softwarealle Versionenncsc_nlNLcpe:2.3:a:cisco:cisco_utd_snort_ips_engine_software:17.12.2:*:*:*:*:*:*:*
- cisco_utd_snort_ips_engine_softwarealle Versionenncsc_nlNLcpe:2.3:a:cisco:cisco_utd_snort_ips_engine_software:17.6.4:*:*:*:*:*:*:*
- cisco secure firewall threat defense= 7.4.0nvdUScpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
Advisories (3)
Hersteller- und Ökosystem-Meldungen dazu.
- NCSC-2024-0233Kwetsbaarheden verholpen in Cisco productenNL2024-05-23csaf · ncsc_nlNL
Cisco heeft kwetsbaarheden verholpen in ASA, Firepower en Snort.
- WID-SEC-W-2024-1223Mehrere Cisco-Produkte: Schwachstelle ermöglicht Umgehung von SicherheitsmaßnahmenDeutsch2024-05-22csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Snort, Cisco Firepower und Cisco IOS XE ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- cisco-sa-snort3-ips-bypass-uE69KBMdMultiple Cisco Products Snort 3 HTTP Intrusion Prevention System Rule Bypass Vulnerability2024-05-22csaf · cisco_csafUS
Multiple Cisco products are affected by a vulnerability in the Snort Intrusion Prevention System (IPS) rule engine that could allow an unauthenticated, remote attacker to bypass the configured rules on an affected system. This vulnerability is due to incorrect HTTP packet handling. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the May 2024 release of the Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: May 2024 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75298"].
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (5)
Externe Belege — Patches, Meldungen, Analysen.
- https://cxsecurity.com/cveshow/CVE-2024-20363/cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMdcnnvd
- https://vigilance.fr/vulnerability/Snort-Cisco-IOS-XE-ingress-filtrering-bypass-via-HTTP-Packet-44370cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMdenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMdVendor Advisorynvd
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