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CVE-2019-6619

7.5 · HIGH

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negot…

Published May 3, 2019EPSS 1.77%

Overview

CVE-2019-6619 is a high-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/108190Refsupport.f5.com/csp/article/K94563344Refwww.securityfocus.com/bid/108190Refsupport.f5.com/csp/article/K94563344

How CyberStrike helps

Frequently asked questions

What is CVE-2019-6619?

CVE-2019-6619 is a high-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-6619?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-6619?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-6619?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-6619 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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