What’s Vulnerable › Vulnerabilities

CVE-2020-5924

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-26 · updated 2026-06-17
• Weakness: CWE-401

Description

In BIG-IP APM versions 12.1.0-12.1.5.1 and 11.6.1-11.6.5.2, RADIUS authentication leaks memory when the username for authentication is not set.

Affected products

• F5 BIG-IP APM: from 11.6.1 through 11.6.5; from 12.1.0 before 12.1.5.2 — fixed in 12.1.5.2

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 12.1.5.2. Check the vendor advisory for mitigations.

References

• https://support.f5.com/csp/article/K11400411
• https://support.f5.com/csp/article/K11400411

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