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CVE-2017-6142

4.8 · MEDIUM

X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and t…

Published Jan 19, 2018CWE-295EPSS 0.40%

Overview

CVE-2017-6142 is a medium-severity vulnerability. It was published on January 19, 2018 and has a CVSS 3.0 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and thus did not properly validate the remote server's identity on certain versions of BIG-IP.

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.securitytracker.com/id/1040255Refsupport.f5.com/csp/article/K20682450Refwww.securitytracker.com/id/1040255Refsupport.f5.com/csp/article/K20682450

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6142?

CVE-2017-6142 is a medium-severity vulnerability. It was published on January 19, 2018 and has a CVSS 3.0 base score of 4.8 (MEDIUM).

How severe is CVE-2017-6142?

This vulnerability has a CVSS 3.0 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-6142?

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-2017-6142?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6142 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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