CVE-2019-6686

published 2019-12-23

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…

Priority P4 25 medium 5.3 CVSS 3.1

AV N AC L PR N UI N S U C N I N A L

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
f5	big-ip	—	—
f5	big-ip	—	—
f5	big-ip	—	—
f5	big-ip	—	—
f5	big-ip_local_traffic_manager	>= 13.1.0 < 13.1.3.2	13.1.3.2
f5	big-ip_local_traffic_manager	>= 14.0.0 < 14.0.1.1	14.0.1.1
f5	big-ip_local_traffic_manager	>= 14.1.0 < 14.1.2.1	14.1.2.1
f5	big-ip_local_traffic_manager	>= 15.0.0 < 15.1.0	15.1.0
f5	big-ip_ltm	—	—

CVSS provenance

nvd v3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.