CVE-2025-40797

Published: Sep 9, 2025Updated: Jun 9, 2026 Sources: CVE List NVD BDU csafCWE-125

7.5HIGH

NVD MITRE

Description

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a out-of-bounds read vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Siemens AG

commercial·DEaka siemens

SIMATIC PCS neo

ICS / OT / IoT

user management component

User Management Component (UMC)

ICS / OT / IoT

and 2 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2025-40797?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique

Collection

View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/html/ssa-722410.html

cert-portal.siemens.com

https://cert-portal.siemens.com/productcert/csaf/ssa-722410.json

cert-portal.siemens.com

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-254-07.json

raw.githubusercontent.com

and 15 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-40797 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows