Main Vulnerability Database Vulnerabilities #VU50644

Improper Authentication in SIMATIC PCS 7 and Siemens SIMATIC WinCC - CVE-2020-10048

Published: February 11, 2021

Vulnerability identifier: #VU50644

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2020-10048

CWE-ID: CWE-287

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Siemens

Affected software:
SIMATIC PCS 7
Siemens SIMATIC WinCC

Detailed vulnerability description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to an insecure password verification process. A local attacker can access to protected content without authentication.

Install updates from vendor's website.