CVE-2025-40566

HIGH EPSS 29.2%
Published May 13, 20251y ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published May 13, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
29.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-613

Affected Products 5

VendorProductVersionRange
siemenssimatic_pcs_neo* <4.1
siemenssimatic_pcs_neo* <5.0
siemenssimatic_pcs_neo4.1any
siemenssimatic_pcs_neo4.1any
siemenssimatic_pcs_neo5.0any

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.