Description
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, and 12.1.x before 12.1.5.3, undisclosed requests to a virtual server may be incorrectly handled by the Traffic Management Microkernel (TMM) URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may theoretically allow bypass of URL based access control or remote code execution (RCE). Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Related CPE's
a
f5
big-ip_access_policy_manager
a
f5
big-ip_advanced_firewall_manager
a
f5
big-ip_advanced_web_application_firewall
a
f5
big-ip_analytics
a
f5
big-ip_application_acceleration_manager
a
f5
big-ip_application_security_manager
a
f5
big-ip_ddos_hybrid_defender
a
f5
big-ip_domain_name_system
a
f5
big-ip_fraud_protection_service
a
f5
big-ip_global_traffic_manager
a
f5
big-ip_link_controller
a
f5
big-ip_local_traffic_manager
a
f5
big-ip_policy_enforcement_manager
a
f5
ssl_orchestrator
References
https://support.f5.com/csp/article/K56715231
https://support.f5.com/csp/article/K56715231
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22991
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 · Critical
Information
Source identifier
Vulnerability status
Analyzed
Published
2021-03-31T16:15:14.787Z
4 years agoLast modified
2025-10-27T16:06:52.600Z
2 months ago