Auth bypass in F5 Big-Ip Access Policy Manager
CVE-2021-23015
On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability class: Broken Access Control
EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- F5 Big-ip_access_policy_manager
- F5 Big-ip_advanced_firewall_manager
- F5 Big-ip_advanced_web_application_firewall
- F5 Big-ip_analytics
- F5 Big-ip_application_acceleration_manager
- F5 Big-ip_application_security_manager
- F5 Big-ip_ddos_hybrid_defender
- F5 Big-ip_domain_name_system
- F5 Big-ip_fraud_protection_service
- F5 Big-ip_global_traffic_manager
Weakness classification (CWE)
References
- f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-23015?
- CVE-2021-23015 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Incorrect Authorization. CVSS score: 7.2/10. Published 2021-05-10.
- How severe is CVE-2021-23015?
- High severity. CVSS v3 base score is 7.2 out of 10.