VULNERABILITY INTELLIGENCE

CVE-2025-40566

CVSS score8.8 HIGH
EPSS probability0.46%
CISA KEVNot currently listed
Published2025-05-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions < V4.1 Update 3), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1). Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user's session even after logout.

Weakness classification

  • productcert@siemens.com: CWE-613

Primary references