CVE-2021-23042

Published on: 09/14/2021 12:00:00 AM UTC

Last Modified on: 09/24/2021 06:21:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of Big-ip Access Policy Manager from F5 contain the following vulnerability:

On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, and 12.1.x before 12.1.6, when an HTTP profile is configured on a virtual server, undisclosed requests can cause a significant increase in system resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

  • CVE-2021-23042 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
No Description Provided support.f5.com
text/html
URL Logo MISC support.f5.com/csp/article/K93231374

Related QID Numbers

  • 375880 F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Hypertext Transfer Protocol (HTTP) Vulnerability (K93231374)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationF5Big-ip Access Policy ManagerAllAllAllAll
ApplicationF5Big-ip Advanced Firewall ManagerAllAllAllAll
ApplicationF5Big-ip Advanced Web Application FirewallAllAllAllAll
ApplicationF5Big-ip AnalyticsAllAllAllAll
ApplicationF5Big-ip Application Acceleration ManagerAllAllAllAll
ApplicationF5Big-ip Application Security ManagerAllAllAllAll
ApplicationF5Big-ip Ddos Hybrid DefenderAllAllAllAll
ApplicationF5Big-ip Domain Name SystemAllAllAllAll
ApplicationF5Big-ip Fraud Protection ServiceAllAllAllAll
ApplicationF5Big-ip Global Traffic ManagerAllAllAllAll
ApplicationF5Big-ip Link ControllerAllAllAllAll
ApplicationF5Big-ip Local Traffic ManagerAllAllAllAll
ApplicationF5Big-ip Policy Enforcement ManagerAllAllAllAll
ApplicationF5Big-ip Ssl OrchestratorAllAllAllAll
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @softek_jp F5 Networks BIG-IP の TMM の処理にサービスを妨害される問題 (CVE-2021-23042) [39832] sid.softek.jp/content/show/3… #SIDfm #脆弱性情報 2021-08-27 09:12:50
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