CVE detail
CVE-2021-23039 — CVE-2021-23039
Published 2021-09-14 · Modified 2026-06-17 · Vendor f5 · Product big-ip_access_policy_manager · Source nvd
HIGH
severity
CVSS-derived band
0.0095
EPSS probability
exploitation probability, 30d
58.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.2.8, and all versions of 13.1.x and 12.1.x, when IPSec is configured on a BIG-IP system, undisclosed requests from an authorized remote (IPSec) peer, which already has a negotiated Security Association, can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References