CVE-2021-23042

Severity

Theme

CVE-2021-23042

high

New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

https://support.f5.com/csp/article/K93231374

Details

Source: MITRE

Published: 2021-09-14

Updated: 2021-09-24

Type: CWE-400

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

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:*:*:*:*:*:*:*:*

Tenable Plugins

View all (1 total)

ID	Name	Product	Family	Severity
152821	F5 Networks BIG-IP : BIG-IP HTTP vulnerability (K93231374)	Nessus	F5 Networks Local Security Checks	high