CVE-2021-41807

HIGHNVD 7.59.8▲

7.5

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.

CVSS v3: 7.5
EG Score: 9.8(medium)
EPSS: 45.7%
KEV: Not listed

Published

January 18, 2022

Last Modified

February 23, 2026

References (3)

security@m-fileshttps://empower.m-files.com/security-advisories/CVE-2021-41807
security@m-fileshttps://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41807/
af854a3a-2127-422b-91ae-364da2661108https://www.m-files.com/about/trust-center/security-vulnerabilities/cve-2021-41807/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 04:39 UTCEG score recompute
2026-05-26 04:39 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-41807?

CVE-2021-41807 is a high vulnerability published on January 18, 2022. 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.

When was CVE-2021-41807 disclosed?

CVE-2021-41807 was first published in the National Vulnerability Database on January 18, 2022, with the most recent update on February 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-41807 actively exploited?

CVE-2021-41807 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2021-41807 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2021-41807?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-41807, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-41807

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-41807?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)