CVE-2021-37253

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

M-Files Web before 20.10.9524.1 allows a denial of service via overlapping ranges (in HTTP requests with crafted Range or Request-Range headers). NOTE: this is disputed because the range behavior is the responsibility of the web server, not the responsibility of the individual web application

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-444

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/165139/M-Files-Web-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Dec/1Exploit, Mailing List, Third Party Advisory
https://vulmon.com/vulnerabilitydetails?qid=CVE-2021-37253Exploit, Third Party Advisory
https://www.m-files.com/about/trust-center/security-advisories/cve-2021-37253-denial-of-service/Vendor Advisory
https://www.m-files.com/company/trust-center/vulnerability-disclosure/Vendor Advisory
https://www.tenable.com/cve/CVE-2021-37253Exploit, Third Party Advisory
http://packetstormsecurity.com/files/165139/M-Files-Web-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Dec/1Exploit, Mailing List, Third Party Advisory
https://vulmon.com/vulnerabilitydetails?qid=CVE-2021-37253Exploit, Third Party Advisory
https://www.m-files.com/about/trust-center/security-advisories/cve-2021-37253-denial-of-service/Vendor Advisory
https://www.m-files.com/company/trust-center/vulnerability-disclosure/Vendor Advisory
https://www.tenable.com/cve/CVE-2021-37253Exploit, Third Party Advisory

Timeline

Published: Dec 5, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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