How severe is CVE-2017-6139?

CVE-2017-6139 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-6139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6139?

CVE-2017-6139 primarily affects F5 Big-ip Access Policy Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6139 published?

CVE-2017-6139 was published on 2017-12-21 and last updated on 2026-06-17.

CVE-2017-6139

CVE-2017-6139 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: F5 Big-ip Access Policy Manager
Published: 2017-12-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-6139?: 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.
How severe is CVE-2017-6139?: CVE-2017-6139 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-6139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6139?: CVE-2017-6139 primarily affects F5 Big-ip Access Policy Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6139?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6139 published?: CVE-2017-6139 was published on 2017-12-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.2:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:13.0.0:*:*:*:*:*:*:*

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