SB2022081103 - Inconsistent interpretation of HTTP requests in Cisco Adaptive Security Appliance Software
Published: August 11, 2022
Security Bulletin ID
SB2022081103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-20713)
The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests in the Clientless SSL VPN (WebVPN) component. A remote attacker can trick a victim to visit a malicious website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled and conduct browser-based attacks.
Remediation
Install update from vendor's website.