Improper authorization in Siemens SINEC Security Monitor
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0). The affected application does not have proper authorization checks for the file_transfer feature in ssmctl-client command. This could allow an authenticated, lowly privileged local attacker to read or write to any file on server or sensor.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA SINEC Security Monitor (Siemens) Fixed in V4.10.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Siemens SINEC Security Monitor V4.10.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-27269 Improper input validation in Siemens SINEC Security MonitorPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40830
- 2026-10-03 Alias added: GHSA-35cr-f3qc-gm6j
References
More Siemens Sinec Security Monitor vulnerabilities
- TI-2024-31840 A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). CVSS 4.0CRITICAL 9.4
- TI-2024-31849 Command injection in Siemens SINEC Security Monitor CVSS 4.0CRITICAL 9.3
- TI-2024-31850 Path traversal in Siemens SINEC Security Monitor CVSS 4.0MEDIUM 6.9
- TI-2025-27269 Improper input validation in Siemens SINEC Security Monitor CVSS 4.0HIGH 7.1
- TI-2026-22042 A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). CVSS 4.0MEDIUM 5.3
- TI-2024-31851 A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-40830 · CVE Program
- CVE-2025-40830 · NVD
- FIRST EPSS
- GHSA-35cr-f3qc-gm6j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences