High severity · published Aug 12, 2021
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,…
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fabric Operating System · Broadcom
before 7.4.2h; 8.0.0 before 8.2.3a; 9.0.0 before 9.0.1a · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27792
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27792
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210819-0002/
Vendor Advisory
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490
Vendor Advisory
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1492
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