SB2022090801 - IPSec VPN authentication bypass in several Cisco RV routers
Published: September 8, 2022
Security Bulletin ID
SB2022090801
Severity
Medium
Patch available
NO
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) Incorrect implementation of authentication algorithm (CVE-ID: CVE-2022-20923)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the password validation algorithm in IPSec VPN Server authentication functionality. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the IPSec VPN network.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.