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Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 2100 Series Appliances SSL/TLS Denial of Service Vulnerability

cisco-sa-asaftd-ssl-dos-uu7mV5p6 · High · Published · Updated

A vulnerability in the hardware-based SSL/TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to an implementation error within the cryptographic functions for SSL/TLS traffic processing when they are offloaded to the hardware. An attacker could exploit this vulnerability by sending a crafted stream of SSL/TLS traffic to an affected device. A successful exploit could allow the attacker to cause an unexpected error in the hardware-based cryptography engine, which could cause the device to reload. 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-asaftd-ssl-dos-uu7mV5p6

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2023-20006
Cisco Bug IDsCSCwc94466, CSCwf62729
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 9.16.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.19, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.27, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.30, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.33, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.5, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.8, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.39, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.46, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.53, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.5, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.12, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.18, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series

Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2023-20006 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2023-20006 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2023-20006 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2023-20006 Cisco OpenVuln