What’s Vulnerable › Vulnerabilities

CVE-2020-5861

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-27 · updated 2026-06-17
• Weakness: CWE-119

Description

On BIG-IP 12.1.0-12.1.5, the TMM process may produce a core file in some cases when Ram Cache incorrectly optimizes stored data resulting in memory errors.

Affected products

• F5 BIG-IP APM: from 12.1.0 through 12.1.5
• BIG-IP: from 12.1.0 through 12.1.5
• F5 Big-Ip Analytics: from 12.1.0 through 12.1.5
• F5 Networks, Inc. BIG-IP (AAM): from 12.1.0 through 12.1.5
• BIG-IP ASM: from 12.1.0 through 12.1.5
• F5 BIG-IP DNS: from 12.1.0 through 12.1.5
• F5 Big-Ip Fraud Protection Service: from 12.1.0 through 12.1.5
• F5 Big-Ip Global Traffic Manager: from 12.1.0 through 12.1.5
• F5 Big-Ip Link Controller: from 12.1.0 through 12.1.5
• F5 BIG-IP (LTM): from 12.1.0 through 12.1.5
• F5 Networks, Inc. BIG-IP (PEM): from 12.1.0 through 12.1.5

References

• https://support.f5.com/csp/article/K22113131
• https://support.f5.com/csp/article/K22113131

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