Is CVE-2021-41807 in the CISA KEV catalog?

No. CVE-2021-41807 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41807?

CVE-2021-41807 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-41807?

CVE-2021-41807 has an EPSS score of 1.11% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41807?

Upgrade m-files server to 21.12.10873.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-41807

HIGH

7.5

CVSS v3

NVD

Description

Lack of rate limiting in M-Files Server and M-Files Web products with versions before 21.12.10873.0 in certain type of user accounts allows unlimited amount of attempts and therefore makes brute-forcing login accounts easier.

CWE-307

How to fix

Remediation Available

m-files serverNVD

Affected:< 21.12.10873.0Fixed in:21.12.10873.0CVE-2021-41807derived from NVD

m-files webNVD

Affected:< 21.12.10873.0Fixed in:21.12.10873.0CVE-2021-41807derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.11%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Vendor Advisory1

m-files.com

Other references1

empower.m-files.com

Related Vulnerabilities

Other CWE-307 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17240	Critical	9.8	40%	-	-
CVE-2023-29301	High	7.5	29%	-	-
CVE-2023-22960	High	7.5	28%	-	Fix
CVE-2020-15906	Critical	9.8	27%	-	Fix
CVE-2016-9361	Critical	9.8	20%	-	-
CVE-2024-39225	Critical	9.8	15%	-	-

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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 2026-02-23.