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Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Denial of Service Vulnerability

cisco-sa-asa-webvpn-dos-3GhZQBAS · High · Published · Updated

A vulnerability in the remote access 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 improper handling of HTTPS requests. An attacker could exploit this vulnerability by sending crafted HTTPS requests to an affected system. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-dos-3GhZQBAS This advisory is part of the November 2023 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see Cisco Event Response: November 2023 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2023-20095
Cisco Bug IDsCSCwb63827
CVSS ScoreBase 8.6
Base 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.8, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.38, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.39, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.40, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.41, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.15, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1, 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3100 Series, Cisco Secure Firewall Threat Defense Virtual

Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense Virtual CVE-2023-20095 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2023-20095 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2023-20095 Cisco OpenVuln
Cisco Secure Firewall 3100 Series CVE-2023-20095 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2023-20095 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2023-20095 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2023-20095 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2023-20095 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2023-20095 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2023-20095 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2023-20095 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2023-20095 Cisco OpenVuln