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Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Web Client Services Client-Side Request Smuggling Vulnerability

cisco-sa-asa-webvpn-LOeKsNmO · Medium · Published · Updated

A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This vulnerability is due to improper validation of input that is passed to the VPN web client services component before being returned to the browser that is in use. An attacker could exploit this vulnerability by persuading a user to visit a website that is designed to pass malicious requests to a device that is running Cisco ASA Software or Cisco FTD Software and has web services endpoints supporting VPN features enabled. A successful exploit could allow the attacker to reflect malicious input from the affected device to the browser that is in use and conduct browser-based attacks, including cross-site scripting attacks. The attacker could not directly impact the affected device. 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-LOeKsNmO

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2022-20713
Cisco Bug IDsCSCwa04262, CSCwe93561, CSCwf47924, CSCwd95043
CVSS ScoreBase 4.3
Base 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/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 9.8.1.5, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33, Cisco Secure Firewall Adaptive 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(FTD) Software 6.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15, Cisco Secure Firewall Threat Defense (FTD) Software 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Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense Virtual CVE-2022-20713 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2022-20713 Cisco OpenVuln
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2022-20713 Cisco OpenVuln
Cisco Secure Firewall 3100 Series CVE-2022-20713 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2022-20713 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2022-20713 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2022-20713 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2022-20713 Cisco OpenVuln
Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2022-20713 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2022-20713 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2022-20713 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2022-20713 Cisco OpenVuln