What is CVE-2019-6686?

CVE-2019-6686 is a medium-severity vulnerability in F5 Big-Ip. CVSS score: 5.3/10. Published 2019-12-23.

How severe is CVE-2019-6686?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in F5 Big-Ip

CVE-2019-6686

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.

EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

F5 Big-ip — versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1
F5 Big-ip_local_traffic_manager

References

f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-6686?: CVE-2019-6686 is a medium-severity vulnerability in F5 Big-Ip. CVSS score: 5.3/10. Published 2019-12-23.
How severe is CVE-2019-6686?: Medium severity. CVSS v3 base score is 5.3 out of 10.