SB2022090801 - IPSec VPN authentication bypass in several Cisco RV routers

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Main Vulnerability Database SB2022090801

SB2022090801 - IPSec VPN authentication bypass in several Cisco RV routers

Published: September 8, 2022

Security Bulletin ID SB2022090801
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Incorrect implementation of authentication algorithm (CVE-ID: CVE-2022-20923)

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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.

References