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 (EoTS) are not evaluated.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
f5CNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
VendorProductVersion
f5big-ip_access_policy_manager
11.6.1 ≤
𝑥
≤ 11.6.5
f5big-ip_access_policy_manager
12.1.0 ≤
𝑥
≤ 12.1.6
f5big-ip_access_policy_manager
13.1.0 ≤
𝑥
< 13.1.4
f5big-ip_access_policy_manager
14.1.0 ≤
𝑥
< 14.1.4.3
f5big-ip_access_policy_manager
15.1.0 ≤
𝑥
< 15.1.3.1
f5big-ip_access_policy_manager
16.0.0 ≤
𝑥
≤ 16.0.1
𝑥
= Vulnerable software versions