What’s Vulnerable › Vulnerabilities

CVE-2019-6603

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-03-28 · updated 2026-06-17

Description

In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.

Affected products

• F5 BIG-IP APM: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• BIG-IP: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Analytics: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Networks, Inc. BIG-IP (AAM): from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• BIG-IP ASM: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Edge Gateway: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Fraud Protection Service: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Global Traffic Manager: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Link Controller: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 BIG-IP (LTM): from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Networks, Inc. BIG-IP (PEM): from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Protocol Security Manager: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.0.0 through 13.0.1
• F5 Big-Ip Webaccelerator: from 11.5.1 through 11.5.8; from 11.6.1 through 11.6.3; from 12.0.0 through 12.1.3; from 13.0.0 through 13.0.1

References

• http://www.securityfocus.com/bid/107625
• https://support.f5.com/csp/article/K14632915
• http://www.securityfocus.com/bid/107625
• https://support.f5.com/csp/article/K14632915

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