{"id":"CVE-2021-37253","aliases":["EUVD-2021-23825","GHSA-gpcr-2fv6-73fj"],"status":"disputed","title":"M-Files Web before 20.10.9524.1 allows a denial of service via overlapping ranges (in HTTP...","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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02931,"percentile":0.87194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2021-12-05T20:28:48Z","modified":"2026-06-17T04:00:19Z","products":[{"vendor":"m-files","product":"m-files_web"}],"references":[{"url":"https://www.m-files.com/company/trust-center/vulnerability-disclosure/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Dec/1","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/165139/M-Files-Web-Denial-Of-Service.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.tenable.com/cve/CVE-2021-37253","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://vulmon.com/vulnerabilitydetails?qid=CVE-2021-37253","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.m-files.com/about/trust-center/security-advisories/cve-2021-37253-denial-of-service/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37253"},{"url":"https://www.m-files.com/about/trust-center/security-advisories/cve-2021-37253-denial-of-service"},{"url":"https://www.m-files.com/company/trust-center/vulnerability-disclosure"},{"url":"https://github.com/advisories/GHSA-gpcr-2fv6-73fj"}],"sources":{"cve":[{"id":"CVE-2021-37253","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","status":"disputed","published":"2021-12-05T20:28:48Z","modified":"2024-08-04T01:16:03.953Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-23825","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","status":"published","published":"2021-12-05T20:28:48Z","modified":"2024-08-04T01:16:03Z","updated_at":"2026-11-03T03:24:27.725787Z"}],"ghsa":[{"id":"GHSA-gpcr-2fv6-73fj","title":"M-Files Web before 20.10.9524.1 allows a denial of service via overlapping ranges (in HTTP...","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).","status":"published","published":"2021-12-06T00:00:55Z","modified":"2024-03-30T05:01:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:55:44.111751Z"}],"nvd":[{"id":"CVE-2021-37253","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","status":"disputed","published":"2021-12-05T21:15:07.753Z","modified":"2026-06-17T04:00:19.02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}