CVE-2026-85115

MEDIUMCVSS 5.5

Description

A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.

Timeline

Published:October 13th, 2026 10:17 AM

Last modified:October 15th, 2026 4:03 PM

CVSS Scoring

CVSS v3: 5.5 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-209

References & Reports

Advisories, patches, and third-party reports

https://cert-portal.siemens.com/productcert/html/ssa-390352.html

Source: NIST NVD · Data may lag official sources by up to one minute