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Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerabilities

cisco-sa-asafdt-webvpn-dos-KSqJAKPA · High · Published · Updated

Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. These vulnerabilities are due to improper input validation when parsing HTTPS requests. An attacker could exploit these vulnerabilities by sending a malicious HTTPS request to 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 these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asafdt-webvpn-dos-KSqJAKPA 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 these vulnerabilities.

CVEsCVE-2021-1573, CVE-2021-34704, CVE-2021-40118
Cisco Bug IDsCSCvy36910, CSCvy89144, CSCvy58278
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 9.8.1, Cisco Adaptive Security Appliance (ASA) Software 9.8.1.5, Cisco Adaptive Security Appliance (ASA) Software 9.8.1.7, Cisco Adaptive Security Appliance (ASA) Software 9.8.2, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.8, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.14, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.15, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.17, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.20, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.24, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.26, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.28, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.33, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.35, Cisco Adaptive Security Appliance (ASA) Software 9.8.2.38, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.8, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.11, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.14, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.16, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.18, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.21, Cisco Adaptive Security Appliance (ASA) Software 9.8.3, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.26, Cisco Adaptive Security Appliance (ASA) Software 9.8.3.29, Cisco Adaptive Security Appliance (ASA) Software 9.8.4, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.3, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.7, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.8, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.10, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.12, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.15, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.17, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.25, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.20, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.22, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.26, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.29, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.32, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.33, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.34, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.35, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.39, Cisco Adaptive Security Appliance (ASA) Software 9.12.1, Cisco Adaptive Security Appliance (ASA) Software 9.12.1.2, Cisco Adaptive Security Appliance (ASA) Software 9.12.1.3, Cisco Adaptive Security Appliance (ASA) Software 9.12.2, Cisco Adaptive Security Appliance (ASA) Software 9.12.2.4, Cisco Adaptive Security Appliance (ASA) Software 9.12.2.5, Cisco Adaptive Security Appliance (ASA) Software 9.12.2.9, Cisco Adaptive Security Appliance (ASA) Software 9.12.3, Cisco Adaptive Security Appliance (ASA) Software 9.12.3.2, Cisco Adaptive Security Appliance (ASA) Software 9.12.3.7, Cisco Adaptive Security Appliance (ASA) Software 9.12.4, Cisco Adaptive Security Appliance (ASA) Software 9.12.3.12, Cisco Adaptive Security Appliance (ASA) Software 9.12.3.9, Cisco Adaptive Security Appliance (ASA) Software 9.12.2.1, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.2, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.4, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.7, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.10, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.13, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.8, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.18, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.24, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.26, 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 6.2.3, Cisco Firepower Threat Defense Software 6.2.3.1, Cisco Firepower Threat Defense Software 6.2.3.2, Cisco Firepower Threat Defense Software 6.2.3.3, Cisco Firepower Threat Defense Software 6.2.3.4, Cisco Firepower Threat Defense Software 6.2.3.5, Cisco Firepower Threat Defense Software 6.2.3.6, Cisco Firepower Threat Defense Software 6.2.3.7, Cisco Firepower Threat Defense Software 6.2.3.8, Cisco Firepower Threat Defense Software 6.2.3.10, Cisco Firepower Threat Defense Software 6.2.3.11, Cisco Firepower Threat Defense Software 6.2.3.9, Cisco Firepower Threat Defense Software 6.2.3.12, Cisco Firepower Threat Defense Software 6.2.3.13, Cisco Firepower Threat Defense Software 6.2.3.14, Cisco Firepower Threat Defense Software 6.2.3.15, Cisco Firepower Threat Defense Software 6.2.3.16, Cisco Firepower Threat Defense Software 6.2.3.17, Cisco Firepower Threat Defense Software 6.6.0, Cisco Firepower Threat Defense Software 6.6.0.1, Cisco Firepower Threat Defense Software 6.6.1, Cisco Firepower Threat Defense Software 6.6.3, Cisco Firepower Threat Defense Software 6.6.4, Cisco Firepower Threat Defense Software 6.4.0, Cisco Firepower Threat Defense Software 6.4.0.1, Cisco Firepower Threat Defense Software 6.4.0.3, Cisco Firepower Threat Defense Software 6.4.0.2, Cisco Firepower Threat Defense Software 6.4.0.4, Cisco Firepower Threat Defense Software 6.4.0.5, Cisco Firepower Threat Defense Software 6.4.0.6, Cisco Firepower Threat Defense Software 6.4.0.7, Cisco Firepower Threat Defense Software 6.4.0.8, Cisco Firepower Threat Defense Software 6.4.0.9, Cisco Firepower Threat Defense Software 6.4.0.10, Cisco Firepower Threat Defense Software 6.4.0.11, Cisco Firepower Threat Defense Software 6.4.0.12, 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-2021-40118 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2021-34704 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2021-1573 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-40118 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-34704 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-1573 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2021-40118 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2021-34704 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2021-1573 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-40118 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-34704 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-1573 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-40118 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-34704 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-1573 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-40118 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-34704 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-1573 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-40118 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-34704 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-1573 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-40118 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-34704 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-1573 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2021-40118 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2021-34704 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2021-1573 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2021-40118 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2021-34704 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2021-1573 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2021-40118 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2021-34704 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2021-1573 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-40118 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-34704 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-1573 Cisco OpenVuln