CVE-2023-42796

State: Published
Severity: 7.5 High
Published: Oct 10, 2023
Updated: Feb 27, 2025
Reserved: Sep 14, 2023

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.11), CP-8050 MASTER MODULE (All versions < CPCI85 V05.11). The web server of affected devices fails to properly sanitize user input for the /sicweb-ajax/tmproot/ endpoint.

This could allow an authenticated remote attacker to traverse directories on the system and download arbitrary files. By exploring active session IDs, the vulnerability could potentially be leveraged to escalate privileges to the administrator role.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C	siemens

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
CP-8031 MASTER MODULESiemens	All versions < CPCI85 V05.11Affected
CP-8050 MASTER MODULESiemens	All versions < CPCI85 V05.11Affected

References

https://cert-portal.siemens.com/productcert/pdf/ssa-770890.pdf

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