#VU58235 Path traversal in SIMATIC PCS 7 and Siemens SIMATIC WinCC - CVE-2021-40358

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Main Vulnerability Database Vulnerabilities #VU58235

#VU58235 Path traversal in SIMATIC PCS 7 and Siemens SIMATIC WinCC - CVE-2021-40358

Published: November 18, 2021


Vulnerability identifier: #VU58235
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-40358
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC PCS 7
Siemens SIMATIC WinCC
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and read, write or delete critical files.


Remediation

Install update from vendor's website.

External links