SB2022062210 - Use of Client-Side Authentication in Siemens WinCC OA
Published: June 22, 2022
Security Bulletin ID
SB2022062210
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of Client-Side Authentication (CVE-ID: CVE-2022-33139)
CWE-ID: CWE-603 - Use of Client-Side Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected applications use client-side only authentication when neither server-side authentication nor Kerberos authentication is enabled. A remote attacker can impersonate other users or exploit the client-server protocol without being authenticated.
Remediation
Install update from vendor's website.