CVE-2017-6142

mediumpriority · track · 19EPSS 0.004 · 34 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 5.8 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.04.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 2.5

v3.04.4mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimary

affected products (6)

Products and version ranges known to be affected.

F5 Networks, Inc. BIG-IP AFM≤ 12.1.0 - 12.1.2enisa_euvdEU
F5 Networks, Inc. BIG-IP AFM≤ 11.6.0 - 11.6.2enisa_euvdEU
F5 Networks, Inc. BIG-IP AFM≤ 13.0.0enisa_euvdEU
f5 big-ip advanced firewall manager11.6.0 → 11.6.2nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager12.1.0 → 12.1.2nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager= 13.0.0nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-01-19modified 2026-06-17

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+1889 more

references (5)

External citations — patches, advisories, analysis.

https://support.f5.com/csp/article/K20682450 cnnvd
http://www.securitytracker.com/id/1040255 enisa_euvd
https://support.f5.com/csp/article/K20682450 enisa_euvd
http://www.securitytracker.com/id/1040255Third Party AdvisoryVDB Entrynvd
https://support.f5.com/csp/article/K20682450Vendor Advisorynvd

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