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Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Resource Exhaustion Denial of Service Vulnerability

cisco-sa-asa-ftd-dos-Unk689XY · High · Published · Updated

A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and 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 resource management when connection rates are high. An attacker could exploit this vulnerability by opening a significant number of connections on an affected device. A successful exploit could allow the attacker to cause the device to reload, 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-ftd-dos-Unk689XY This advisory is part of the October 2021 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: October 2021 Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2021-34792
Cisco Bug IDsCSCvx79526
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 Adaptive Security Appliance (ASA) Software 9.14.1, Cisco Adaptive Security Appliance (ASA) Software 9.14.1.10, Cisco Adaptive Security Appliance (ASA) Software 9.14.1.6, Cisco Adaptive Security Appliance (ASA) Software 9.14.1.15, Cisco Adaptive Security Appliance (ASA) Software 9.14.1.19, Cisco Adaptive Security Appliance (ASA) Software 9.14.1.30, Cisco Adaptive Security Appliance (ASA) Software 9.14.2, Cisco Adaptive Security Appliance (ASA) Software 9.14.2.4, Cisco Adaptive Security Appliance (ASA) Software 9.14.2.8, Cisco Adaptive Security Appliance (ASA) Software 9.14.2.13, Cisco Adaptive Security Appliance (ASA) Software 9.14.2.15, Cisco Adaptive Security Appliance (ASA) Software 9.14.3, Cisco Adaptive Security Appliance (ASA) Software 9.14.3.1, Cisco Adaptive Security Appliance (ASA) Software 9.16.1, Cisco Adaptive Security Appliance (ASA) Software 9.16.1.28, Cisco Adaptive Security Appliance (ASA) Software 9.16.2, Cisco Firepower Threat Defense Software 7.0.0, Cisco Firepower Threat Defense Software 7.0.0.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series, Cisco Firepower 1000 Series, Cisco ASA 5500-X Series Firewalls, Cisco 3000 Series Industrial Security Appliances (ISA), Cisco Firepower 9000 Series, Cisco Firepower 4100 Series, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Secure Firewall Threat Defense Virtual

Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense Virtual CVE-2021-34792 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-34792 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2021-34792 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-34792 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-34792 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-34792 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-34792 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-34792 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2021-34792 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2021-34792 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2021-34792 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-34792 Cisco OpenVuln