CVE-2023-42796

HIGH

CP-8031 and CP-8050 Firmware < 05.11 - Authenticated Path Traversal via /sicweb-ajax/tmproot/ Endpoint

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0029
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (2)
siemens/cp-8031_firmware < 05.11
siemens/cp-8050_firmware < 05.11
Published Oct 10, 2023
Tracked Since Feb 18, 2026