Is CVE-2025-40831 in the CISA KEV catalog?

No. CVE-2025-40831 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-40831?

CVE-2025-40831 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-40831?

CVE-2025-40831 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40831?

Upgrade sinec security monitor to 4.10.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-40831

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-20Improper Input Validation

How to fix

Remediation Available

sinec security monitorNVD

Affected:< 4.10.0Fixed in:4.10.0CVE-2025-40831derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.