CVE-2021-27794 json
A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could…
published 5y ago modified 4mo ago also EUVD-2021-14535
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could allow a user to Login with empty password, and invalid password through telnet, ssh and REST.
Patch / fix
- broadcom fabric_operating_system 7.4.2h, 8.2.3a, 9.0.1a
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Check with FencerExploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% 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 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a Brocade Fabric OS
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
broadcom.com
/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1552
vendor-advisory
-
security.netapp.com
/advisory/ntap-20210819-0001/
third-party-advisory
Sources
- CVE List CVE-2021-27794
- NVD CVE-2021-27794
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