Intelligence online17 sources monitored11 actively exploited 7d42 published 24hChecked recently
Vulnerability record

CVE-2026-85115

ElevatedNo known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-85115 scored CVSS 6.8

    Basis: NIST National Vulnerability Database

  2. Disclosed

    Siemens SIMATIC S7 Webserver API

    Basis: CISA Cybersecurity Advisories (government advisory)

Coverage

References