XSS in F5 Big-Ip Access Policy Manager
CVE-2021-22994
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromise of the BIG-IP system if the victim user is granted the admin role. This vulnerability is due to an incomplete fix for CVE-2020-5948. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
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)
Public proof-of-concept exploits
References
- f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22994?
- CVE-2021-22994 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-31.
- How severe is CVE-2021-22994?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-22994 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.