CVE-2025-40831 Denial of service in SINEC Security Monitor
An authenticated low-privileged attacker can cause a denial of service in report generation due to missing input validation in Siemens SINEC Security Monitor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-40831?
CVE-2025-40831 is a high-severity denial of service vulnerability in Siemens SINEC Security Monitor, published on 9 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0). The affected application lacks input validation of date parameter in report generation functionality. This could allow an authenticated, lowly privileged attacker to cause denial of service condition of the report functionality.
Weakness: CWE-20
Which versions are affected by CVE-2025-40831?
It affects 1 product.
Products include Siemens Sinec Security Monitor.
How do I fix CVE-2025-40831?
No fix has been published for CVE-2025-40831 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-40831 being exploited?
There is no known exploitation of CVE-2025-40831 in the wild and no public exploit code.
Other vulnerabilities in Siemens SINEC Security Monitor
- CVE-2024-47553 Command injection in SINEC Security Monitor
- CVE-2024-47562 Command injection in SINEC Security Monitor
- CVE-2025-40830 Missing authorization in SINEC Security Monitor
- CVE-2024-47563 Path traversal in SINEC Security Monitor
- CVE-2026-27661 Information disclosure in SINEC Security Monitor
Sources
Also known as GHSA-6r9x-v332-23qp.