CVE-2021-22975: f5 big-ip_access_policy_manager
Vulnerability summary
CVE-2021-22975 is a high (CVSS 7.5) vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61% of scored vulnerabilities.
Timeline
- 12-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.97% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
F514 products
- big-ip_access_policy_manager≥ 14.1.0, < 14.1.3.1 | ≥ 15.1.0, < 15.1.2.1 | ≥ 16.0.0, < 16.0.1.1
- big-ip_advanced_firewall_manager≥ 14.1.0, < 14.1.3.1 | ≥ 15.1.0, < 15.1.2.1 | ≥ 16.0.0, < 16.0.1.1
- big-ip_advanced_web_application_firewall≥ 14.1.0, < 14.1.3.1 | ≥ 15.1.0, < 15.1.2.1 | ≥ 16.0.0, < 16.0.1.1
- big-ip_analytics≥ 14.1.0, < 14.1.3.1 | ≥ 15.1.0, < 15.1.2.1 | ≥ 16.0.0, < 16.0.1.1
- big-ip_application_acceleration_manager≥ 14.1.0, < 14.1.3.1 | ≥ 15.1.0, < 15.1.2.1 | ≥ 16.0.0, < 16.0.1.1
1 vendor · 14 products