All vulnerabilities

Servers and applications

CVE-2021-23047

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…

Severity
Medium 5.3
Published
14 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
13.1.4, 14.1.4.3, 15.1.3.1
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.6.1 up to 11.6.5
  • From 12.1.0 up to 12.1.6
  • From 13.1.0 before 13.1.4
  • From 14.1.0 before 14.1.4.3
  • From 15.1.0 before 15.1.3.1
  • From 16.0.0 up to 16.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-23047
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-23047