Is CVE-2019-6686 in the CISA KEV catalog?

No. CVE-2019-6686 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-6686?

CVE-2019-6686 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-6686?

CVE-2019-6686 has an EPSS score of 1.03% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-6686?

Upgrade big-ip local traffic manager to 15.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2019-6686

MEDIUM

5.3

CVSS v3

NVD

Description

On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, the Traffic Management Microkernel (TMM) might stop responding after the total number of diameter connections and pending messages on a single virtual server has reached 32K.

How to fix

Remediation Available

big-ip local traffic managerNVD

Affected:>= 15.0.0, < 15.1.0Fixed in:15.1.0CVE-2019-6686derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

1.03%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

support.f5.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 2024-11-21.