A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d…
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the “user” or “factory” account, to read the contents of any file on the filesystem utilizing one of a few available binaries.
Why it matters now
EPSS 0.00907 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Brocade Fabric OS | Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d | — | No fix listed | CNA |
- Brocade Fabric OS Vendor— Affected Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27796
- 2026-10-03 Alias added: GHSA-gh9w-mq5f-6242
References
More Broadcom Fabric Operating System vulnerabilities
- TI-2025-01721 Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6 KEVCVSS 4.0HIGH 8.6
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
- TI-2022-10659 Information disclosure in https://github.com/curl/curl CVSS 3.1HIGH 7.5
- TI-2020-01888 Segmentation fault in SSL_check_chain CVSS 3.1HIGH 7.5
- TI-2022-06845 Improper authentication in https://github.com/curl/curl CVSS 3.1HIGH 8.1
- TI-2020-12413 scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-27796 · CVE Program
- CVE-2021-27796 · NVD
- FIRST EPSS
- GHSA-gh9w-mq5f-6242 · GitHub Advisory Database · CC BY 4.0
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