The request handling functions in web management interface of Brocade Fabric OS versions…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.00272 19th 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 v9.0.1a, and v8.2.3a, and v7.4.2h | — | No fix listed | CNA |
- Brocade Fabric OS Vendor— Affected Brocade Fabric OS versions before v9.0.1a, and v8.2.3a, and v7.4.2h Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* | before 7.4.2h; 8.0.0 to before 8.2.3a; 9.0.0 to before 9.0.1a | Vulnerable | Broadcom |
- cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* Versions before 7.4.2h; 8.0.0 to before 8.2.3a; 9.0.0 to before 9.0.1a Vulnerable ·Broadcom
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27792
- 2026-10-03 Alias added: GHSA-v38r-g8mp-wm8f
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-2021-27792 · CVE Program
- CVE-2021-27792 · NVD
- FIRST EPSS
- GHSA-v38r-g8mp-wm8f · GitHub Advisory Database · CC BY 4.0
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