Vulnerability in Broadcom Fabric Operating System
CVE-2021-27792
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Broadcom Fabric Operating System
- Brocade Fabric OS — versions Brocade Fabric OS versions before v9.0.1a, and v8.2.3a, and v7.4.2h
References
- www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-s… (Vendor Advisory)
- security.netapp.com/advisory/ntap-20210819-0002/ (Third Party Advisory)
- www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-s… (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27792?
- CVE-2021-27792 is a high-severity vulnerability in Broadcom Fabric Operating System. CVSS score: 7.8/10. Published 2021-08-12.
- How severe is CVE-2021-27792?
- High severity. CVSS v3 base score is 7.8 out of 10.