Is CVE-2025-40830 in the CISA KEV catalog?

No. CVE-2025-40830 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-40830?

CVE-2025-40830 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2025-40830?

CVE-2025-40830 has an EPSS score of 0.14% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40830?

Upgrade sinec security monitor to 4.10.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-40830

MEDIUM

6.7

CVSS v3

NVD

Description

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.

CWE-285

How to fix

Remediation Available

sinec security monitorNVD

Affected:< 4.10.0Fixed in:4.10.0CVE-2025-40830derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.14%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-285 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2021-28799	Critical	10.0	78%	KEV + Ransom	Fix
CVE-2023-32707	High	8.8	74%	-	Fix
CVE-2023-48241	High	7.5	73%	-	Fix
CVE-2023-22480	High	7.3	67%	-	Fix
CVE-2022-3229	Critical	9.8	66%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-10.