Vulnerability Monitor

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CVE-2021-23049

On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Published

2021-09-14T13:15:11.033

Last Modified

2024-11-21T05:51:13.290

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-400
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_access_policy_manager < 15.1.3 Yes
Application f5 big-ip_access_policy_manager < 16.0.1.2 Yes
Application f5 big-ip_advanced_firewall_manager < 15.1.3 Yes
Application f5 big-ip_advanced_firewall_manager < 16.0.1.2 Yes
Application f5 big-ip_advanced_web_application_firewall < 15.1.3 Yes
Application f5 big-ip_advanced_web_application_firewall < 16.0.1.2 Yes
Application f5 big-ip_analytics < 15.1.3 Yes
Application f5 big-ip_analytics < 16.0.1.2 Yes
Application f5 big-ip_application_acceleration_manager < 15.1.3 Yes
Application f5 big-ip_application_acceleration_manager < 16.0.1.2 Yes
Application f5 big-ip_application_security_manager < 15.1.3 Yes
Application f5 big-ip_application_security_manager < 16.0.1.2 Yes
Application f5 big-ip_domain_name_system < 15.1.3 Yes
Application f5 big-ip_domain_name_system < 16.0.1.2 Yes
Application f5 big-ip_fraud_protection_service < 15.1.3 Yes
Application f5 big-ip_fraud_protection_service < 16.0.1.2 Yes
Application f5 big-ip_global_traffic_manager < 15.1.3 Yes
Application f5 big-ip_global_traffic_manager < 16.0.1.2 Yes
Application f5 big-ip_link_controller < 15.1.3 Yes
Application f5 big-ip_link_controller < 16.0.1.2 Yes
Application f5 big-ip_local_traffic_manager < 15.1.3 Yes
Application f5 big-ip_local_traffic_manager < 16.0.1.2 Yes
References