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 5y ago modified 4mo 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
Is CVE-2021-27792 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).
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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