Vulnerability Database

309,364

Total vulnerabilities in the database

CVE-2025-40566

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.

  • Published: May 13, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-40566
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWEs:

OWASP TOP 10:

Software From Fixed in
siemens / simatic_pcs_neo - 4.1
siemens / simatic_pcs_neo - 5.0
siemens / simatic_pcs_neo 4.1-update_1 4.1-update_1.x
siemens / simatic_pcs_neo 4.1-update_2 4.1-update_2.x
siemens / simatic_pcs_neo 5.0 5.0.x