CVE-2021-27790 json
The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string functi…
published 5y ago modified 4mo ago also EUVD-2021-14531
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input. Authenticated attackers can abuse this vulnerability to exploit stack-based buffer overflows, allowing execution of arbitrary code as the root user account.
Patch / fix
- broadcom fabric_operating_system 7.4.2h, 8.2.0_cbn4, 8.2.3, 9.0.1a
Is CVE-2021-27790 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
0.46% chance of exploitation in the next 30 days, higher than 39% 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
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
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-2021-27790
- NVD CVE-2021-27790
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