What’s Vulnerable › Vulnerabilities

CVE-2019-6645

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-04 · updated 2026-06-17

Description

On BIG-IP 14.0.0-14.1.0.5, 13.0.0-13.1.2, 12.1.0-12.1.4.1, 11.5.2-11.6.4, FTP traffic passing through a Virtual Server with both an active FTP profile associated and connection mirroring configured may lead to a TMM crash causing the configured HA action to be taken.

Affected products

• F5 BIG-IP APM: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• BIG-IP: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Analytics: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Networks, Inc. BIG-IP (AAM): from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• BIG-IP ASM: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 BIG-IP DNS: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Edge Gateway: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Fraud Protection Service: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Global Traffic Manager: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Link Controller: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 BIG-IP (LTM): from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Networks, Inc. BIG-IP (PEM): from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0
• F5 Big-Ip Webaccelerator: from 11.5.2 through 11.6.4; from 12.1.0 through 12.1.4; from 13.0.0 through 13.1.1; 14.0.0, 14.1.0

References

• https://support.f5.com/csp/article/K15759349
• https://support.f5.com/csp/article/K15759349?utm_source=f5support&amp%3Butm_medium=RSS
• https://support.f5.com/csp/article/K15759349
• https://support.f5.com/csp/article/K15759349?utm_source=f5support&amp%3Butm_medium=RSS

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