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Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Dynamic Access Policies Denial of Service Vulnerability

cisco-sa-asa-ftd-dap-dos-GhYZBxDU · High · Published · Updated

A vulnerability in dynamic access policies (DAP) functionality of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to improper processing of HostScan data received from the Posture (HostScan) module. An attacker could exploit this vulnerability by sending crafted HostScan data to an affected device. A successful exploit could allow the attacker to cause the affected 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-dap-dos-GhYZBxDU This advisory is part of the November 2022 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 2022 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability. However, administrators may disable HostScan by issuing the no hostscan enable command in the configuration mode of the device.

While this mitigation has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.

CVEsCVE-2022-20947
Cisco Bug IDsCSCwa47041
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 9.8.2.45, 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 9.8.4.40, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.41, Cisco Adaptive Security Appliance (ASA) Software 9.8.4.43, 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 9.12.4.29, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.30, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.35, Cisco Adaptive Security Appliance (ASA) Software 9.12.4.37, 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 9.14.3.9, Cisco Adaptive Security Appliance (ASA) Software 9.14.3.11, Cisco Adaptive Security Appliance (ASA) Software 9.14.3.13, Cisco Adaptive Security Appliance (ASA) Software 9.14.3.15, 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 Adaptive Security Appliance (ASA) Software 9.16.2.3, Cisco Adaptive Security Appliance (ASA) Software 9.16.2.7, Cisco Adaptive Security Appliance (ASA) Software 9.16.2.11, Cisco Adaptive Security Appliance (ASA) Software 9.17.1, 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 6.2.3.18, 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 6.6.5, Cisco Firepower Threat Defense Software 6.6.5.1, 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 6.4.0.13, Cisco Firepower Threat Defense Software 6.4.0.14, Cisco Firepower Threat Defense Software 7.0.0, Cisco Firepower Threat Defense Software 7.0.0.1, Cisco Firepower Threat Defense Software 7.0.1, Cisco Firepower Threat Defense Software 7.0.1.1, Cisco Firepower Threat Defense Software 7.1.0, Cisco Firepower Threat Defense Software 7.1.0.1, Cisco Firepower Threat Defense Software 7.1.0.2, 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 3100 Series, Cisco Secure Firewall Threat Defense Virtual

Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense Virtual CVE-2022-20947 Cisco OpenVuln
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Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2022-20947 Cisco OpenVuln
Cisco Secure Firewall 3100 Series CVE-2022-20947 Cisco OpenVuln
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Cisco Firepower 1000 Series CVE-2022-20947 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2022-20947 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2022-20947 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2022-20947 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2022-20947 Cisco OpenVuln