#VU64575 Use of Client-Side Authentication in SIMATIC WinCC OA - CVE-2022-33139

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Main Vulnerability Database Vulnerabilities #VU64575

#VU64575 Use of Client-Side Authentication in SIMATIC WinCC OA - CVE-2022-33139

Published: June 22, 2022


Vulnerability identifier: #VU64575
Vulnerability risk: High
CVSSv4.0: 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
CVE-ID: CVE-2022-33139
CWE-ID: CWE-603
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC WinCC OA
Software vendor:
Siemens

Description

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 updates from vendor's website.

External links