CVE-2025-40830: A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0)

Q: How do I fix CVE-2025-40830?

sinec security monitor: upgrade to 4.10.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-40830 being exploited?

CVE-2025-40830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-40830 affect?

CVE-2025-40830 affects sinec security monitor. Severity is medium (CVSS 6.7). 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 authentic

Q: How urgent is CVE-2025-40830?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 6.7UPGRADE

CVE-2025-40830 is a medium-severity flaw (CVSS 6.7) affecting sinec security monitor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.7 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-285
Published	2025-12-09
Last modified	2026-10-23

Publisher (CNA): Siemens AG · Vendor: siemens

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-09 16:17 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

siemens sinec security monitor UPGRADE

Affected: < 4.10.0

Fixed in: 4.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sinec-security-monitor || rpm -q sinec-security-monitor || sinec-security-monitor --version

2. UPGRADE to 4.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sinec-security-monitor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sinec-security-monitor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-40830?

sinec security monitor: upgrade to 4.10.0. Exact commands for each OS are on this page.

Is CVE-2025-40830 being exploited?

CVE-2025-40830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-40830 affect?

CVE-2025-40830 affects sinec security monitor. Severity is medium (CVSS 6.7). 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 authentic

How urgent is CVE-2025-40830?

Priority 25/100. No elevated risk signals yet.

Related CVEs

CVE-2025-40831 MEDIUM 6.5 UPGRADE A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0)

References

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