CVE-2023-20042

CWE-4044 documents4 sources

Severity

8.6HIGH

EPSS

0.3%

top 51.38%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco Cisco Adaptive Security Appliance (asa) Software Cisco Cisco Firepower Threat Defense Software Cisco Adaptive Security Appliance Software +1 more

Timeline

PublishedNov 1

Description

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an implementation error within the SSL/TLS session handling process that can prevent the release of a session handler under specific conditions. An attacker could exploit this vulnerability by sending cr…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 2.2 | Impact: 4.0

Affected Packages4 packages

▶NVDcisco/adaptive_security_appliance_software30 versions+29

▶CVEListV5cisco/cisco_firepower_threat_defense_software21 versions+20

▶CVEListV5cisco/cisco_adaptive_security_appliance_(asa)_software30 versions+29

▶NVDcisco/firepower_threat_defense21 versions+20

🔴Vulnerability Details

CVEList

CVE-2023-20042: A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Softwar↗2023-11-01

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GHSA

GHSA-2c63-fqw2-3fhm: A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Softwar↗2023-11-01

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📋Vendor Advisories

Cisco

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software AnyConnect SSL/TLS VPN Denial of Service Vulnerability↗2023-11-01

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