Rewterz Threat Advisory – CVE-2021-23054 – F5 BIG-IP (APM) resource information page Vulnerability

Severity

High

Analysis Summary

CVE-2021-23054

F5 BIG-IP (APM) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the resource information page. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

• Cross-Site Scripting

Affected Vendors

• F5

Affected Products

• F5 BIG-IP (APM) 12.1.0
• F5 BIG-IP (APM) 14.1.0
• F5 BIG-IP (APM) 13.1.0
• F5 BIG-IP (APM) 11.6.1
• F5 BIG-IP (APM) 15.1.0
• F5 BIG-IP (APM) 16.0.0
• F5 BIG-IP (APM) 16.0.1
• F5 BIG-IP (APM) 14.1.4
• F5 BIG-IP (APM) 12.1.6
• F5 BIG-IP (APM) 15.1.3
• F5 BIG-IP (APM) 13.1.4
• F5 BIG-IP (APM) 11.6.5

Remediation

Refer to F5 Security Advisory for patch, upgrade or suggested workaround information.