CVE-2021-27792 json
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 proper…
published 2021-08-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14533
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 19%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- broadcom fabric_operating_system 7.4.2h, 8.2.3a, 9.0.1a
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Brocade Fabric OS
References
-
broadcom.com
/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490
vendor-advisory
-
broadcom.com
/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1492
vendor-advisory
-
security.netapp.com
/advisory/ntap-20210819-0002/
third-party-advisory
Sources
- CVE List CVE-2021-27792
- NVD CVE-2021-27792
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