Path traversal in Siemens products - CVE-2023-42796

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Main Vulnerability Database Vulnerabilities #VU81918

Path traversal in Siemens products - CVE-2023-42796

Published: October 11, 2023


Vulnerability identifier: #VU81918
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-42796
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
CP-8031 MASTER MODULE
CP-8050 MASTER MODULE
CPCI85
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 in the /sicweb-ajax/tmproot/ endpoint. A remote user can send a specially crafted HTTP request and download arbitrary files on the system, leading to privilege escalation.


Remediation

Install update from vendor's website.

External links