Is CVE-2017-6139 in the CISA KEV catalog?

No. CVE-2017-6139 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-6139?

CVE-2017-6139 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2017-6139?

CVE-2017-6139 has an EPSS score of 1.70% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2017-6139?

No published fix for CVE-2017-6139 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2017-6139

MEDIUMEPSS 74th pctl

5.9

CVSS v3

NVD

Description

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, under rare conditions, the BIG-IP APM system appends log details when responding to client requests. Details in the log file can vary; customers running debug mode logging with BIG-IP APM are at highest risk.

CWE-532

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.70%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory1

support.f5.com

Third-Party Advisory1

securitytracker.com

Other references1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.