High severity · published Aug 12, 2021
CVE-2021-27790
The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input. Authenticated attackers can abuse this vulnerability to exploit stack-based buffer overflows, allowing execution of arbitrary code as the root user account.
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)0.5% · higher than 39% 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 8.2.0_cbn4; 8.2.1 before 8.2.3; 9.0.0 before 9.0.1a · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27790
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27790
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-2021-1492
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