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CVE-2021-41807

29
FAUCET Score

CVE-2021-41807 is a critical vulnerability affecting M-Files Server and M-Files Web products prior to version 21.12.10873.0, stemming from a lack of rate limiting on login attempts. This flaw allows attackers to perform unlimited brute-force attacks against user accounts, significantly increasing the risk of unauthorized access. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 21.12.10873.0CPE matchmatch criteria
cpe:2.3:a:m-files:m-files_server:*:*:*:*:*:*:*:*
< 21.12.10873.0CPE matchmatch criteria
cpe:2.3:a:m-files:m-files_web:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 48th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

empower.m-files.com / security-advisories/CVE-2021-41807
m-files.com / about/trust-center/security-vulnerabilities/cve-2021-41807
Broken LinkVendor Advisory