CVE detail
CVE-2021-23047 — CVE-2021-23047
Published 2021-09-14 · Modified 2026-06-17 · Vendor f5 · Product big-ip_access_policy_manager · Source nvd
MEDIUM
severity
CVSS-derived band
0.0060
EPSS probability
exploitation probability, 30d
46.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, and all versions of 13.1.x, 12.1.x and 11.6.x, when BIG-IP APM performs Online Certificate Status Protocol (OCSP) verification of a certificate that contains Authority Information Access (AIA), undisclosed requests may cause an increase in memory use. 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