CVE-2021-23038

CRITICAL

BIG-IP <16.0.1.2, 15.1.3.1, 14.1.4.2, 13.1.4.1, 12.1.x - XSS

Title source: llm
STIX 2.1

Description

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x, a stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K61643620

Scores

CVSS v3 9.0
EPSS 0.0033
EPSS Percentile 55.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-79
Status published
Products (11)
f5/big-ip_access_policy_manager 12.1.0 - 12.1.6
f5/big-ip_advanced_firewall_manager 12.1.0 - 12.1.6
f5/big-ip_analytics 12.1.0 - 12.1.6
f5/big-ip_application_acceleration_manager 12.1.0 - 12.1.6
f5/big-ip_application_security_manager 12.1.0 - 12.1.6
f5/big-ip_domain_name_system 12.1.0 - 12.1.6
f5/big-ip_fraud_protection_service 12.1.0 - 12.1.6
f5/big-ip_global_traffic_manager 12.1.0 - 12.1.6
f5/big-ip_link_controller 12.1.0 - 12.1.6
f5/big-ip_local_traffic_manager 12.1.0 - 12.1.6
... and 1 more
Published Sep 14, 2021
Tracked Since Feb 18, 2026