What’s Vulnerable › Vulnerabilities

CVE-2017-6142

• Severity: medium (CVSS 4.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-19 · updated 2026-06-17
• Weakness: CWE-295

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.

Affected products

• BIG-IP: from 11.6.0 through 11.6.2; from 12.1.0 through 12.1.2; 13.0.0

References

• http://www.securitytracker.com/id/1040255
• https://support.f5.com/csp/article/K20682450
• http://www.securitytracker.com/id/1040255
• https://support.f5.com/csp/article/K20682450

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