CVE-2021-22982

7.2 highEPSS 1.0%

High (7.2) in f5. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-02-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_domain_name_system
f5:big-ip_global_traffic_manager

References

https://support.f5.com/csp/article/K72708443
https://support.f5.com/csp/article/K72708443

Check your stack JSON