Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2021-23007
On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- F5 Big-ip_access_policy_manager — versions 14.1.4, 16.0.1.1
- F5 Big-ip_advanced_firewall_manager — versions 14.1.4, 16.0.1.1
- F5 Big-ip_advanced_web_application_firewall — versions 14.1.4, 16.0.1.1
- F5 Big-ip_analytics — versions 14.1.4, 16.0.1.1
- F5 Big-ip_application_acceleration_manager — versions 14.1.4, 16.0.1.1
- F5 Big-ip_application_security_manager — versions 14.1.4, 16.0.1.1
- F5 Big-ip_ddos_hybrid_defender — versions 14.1.4, 16.0.1.1
- F5 Big-ip_domain_name_system — versions 14.1.4, 16.0.1.1
- F5 Big-ip_edge_gateway — versions 14.1.4, 16.0.1.1
- F5 Big-ip_fraud_protection_service — versions 14.1.4, 16.0.1.1
Public proof-of-concept exploits
References
- f5sirt@f5.com (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-23007?
- CVE-2021-23007 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager. CVSS score: 5.3/10. Published 2021-03-31.
- How severe is CVE-2021-23007?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-23007 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.