CVE-2019-1833
mediumPriorität · verfolgen · 24EPSS 0.017 · 77. PerzentilEURUUSEPSS · bewertet 2026-10-27
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol parser of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies. The vulnerability is due to improper parsing of specific attributes in a TLS packet header. An attacker could exploit this vulnerability by sending malicious TLS messages to the affected system. A successful exploit could allow the attacker to bypass the configured policies for the system, which could allow traffic to flow through without being inspected.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Secure Firewall Threat Defense (FTD) 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 (12)
Betroffene Produkte und Versionsbereiche.
- cisco secure firewall management center= 6.1.0nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cisco secure firewall management center= 6.2.0nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cisco secure firewall management center= 6.2.1nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cisco secure firewall management center= 6.2.2nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cisco secure firewall management center= 6.2.3nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- cisco-sa-20190515-ftd-ssltls-bypassCisco Firepower Threat Defense Software SSL/TLS Policy Bypass Vulnerability2019-05-15csaf · cisco_csafUS
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol parser of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies. The vulnerability is due to improper parsing of specific attributes in a TLS packet header. An attacker could exploit this vulnerability by sending malicious TLS messages to the affected system. A successful exploit could allow the attacker to bypass the configured policies for the system, which could allow traffic to flow through without being inspected. 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 (12)
Externe Belege — Patches, Meldungen, Analysen.
- http://www.cisco.com/cnnvd
- http://www.securityfocus.com/bid/108338cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1833cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ftd-ssltls-bypasscnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ftdde-poly-bypasscnnvd
- https://www.auscert.org.au/bulletins/81190cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.1778/cnnvd
- https://www.securityfocus.com/bid/108338cnnvd
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