CVE-2021-23047 — Uncontrolled Resource Consumption in F5 Big-ip Access Policy Manager

CWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.3%
top 43.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
F5 Big-ip Access Policy ManagerF5 Big-ip APM
Timeline
PublishedSep 14
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDf5/big-ip_access_policy_manager13.1.0 — 13.1.4+5
▶CVEListV5f5/big-ip_apm16.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

🔴Vulnerability Details

2
GHSA
GHSA-5cjp-4h3f-m7r2: On version 16↗2022-05-24
▶
CVEList
CVE-2021-23047: On version 16↗2021-09-14
▶

📋Vendor Advisories

1
F5
CVE-2021-23047: On version 16↗2021-09-14
▶
CVE-2021-23047 — Uncontrolled Resource Consumption | cvebase