Input validation error in Cisco AsyncOS for Web Security Appliances - CVE-2022-20952

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Main Vulnerability Database Vulnerabilities #VU67952

Input validation error in Cisco AsyncOS for Web Security Appliances - CVE-2022-20952

Published: October 6, 2022


Vulnerability identifier: #VU67952
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20952
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco AsyncOS for Web Security Appliances

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the scanning engines. A remote attacker can bypass an explicit block rule and receive traffic that should have been rejected by the device.


How to mitigate CVE-2022-20952

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources