High severity · published Feb 12, 2021
CVE-2021-22982
On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer…
7.2
CVSS
1%
EPSS
No
On KEV
Description
On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BD
Big-ip Domain Name System · F5
12.1.0 through 12.1.5; 13.1.0 before 13.1.0.4 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.6.1 through 11.6.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22982
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22982
Vendor Advisory
https://support.f5.com/csp/article/K72708443
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