CVE-2019-6686

5.3 mediumEPSS 1.0%

Medium (5.3) in f5 big-ip local traffic manager. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
Published: 2019-12-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_local_traffic_manager

References

https://support.f5.com/csp/article/K55812535
https://support.f5.com/csp/article/K55812535

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