{"cve":"CVE-2021-27792","nvd":{"published":"2021-08-12T15:15:07.777","modified":"2026-06-17T03:45:27.830","status":"Modified","description":"The request handling functions in web management interface of Brocade Fabric OS versions before v9.0.1a, v8.2.3a, and v7.4.2h do not properly handle malformed user input, resulting in a service crash. An authenticated attacker could use this weakness to cause the FOS HTTP application handler to crash, requiring a reboot.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://security.netapp.com/advisory/ntap-20210819-0002/","https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490","https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1492","https://security.netapp.com/advisory/ntap-20210819-0002/","https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490"],"products":["broadcom:fabric_operating_system"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-27792","score":0.00272,"percentile":0.19608,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}