Resource management error in Cisco Adaptive Security Appliance (ASA) - CVE-2022-20715
Published: April 27, 2022
Vulnerability identifier: #VU62666
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20715
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in the remote access SSL VPN features. A remote non-authenticated attacker can pass specially crafted requests to the device and perform a denial of service (DoS) attack.
Affected software
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2022-20715
Install updates from vendor's website.
Cisco Adaptive Security Appliance (ASA) - addressed in versions 9.16.2.11, 9.17.1
Cisco Firewall Threat Defense (FTD) - addressed in versions 6.4.0.13, 6.6.5.2, 6.7.0.4, 7.1.0.1
Cisco Firewall Threat Defense (FTD) - addressed in versions 6.4.0.13, 6.6.5.2, 6.7.0.4, 7.1.0.1