CVE-2020-5914: In BIG-IP ASM versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, undisclosed server cookie…

PriorityP338high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.04%

60.6th percentile

In BIG-IP ASM versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, undisclosed server cookie scenario may cause BD to restart under some circumstances.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
f5	big-ip_application_security_manager	>= 11.5.2 < 11.6.5.2	11.6.5.2
f5	big-ip_application_security_manager	>= 12.1.0 < 12.1.5.2	12.1.5.2
f5	big-ip_application_security_manager	>= 13.1.0 < 13.1.3.4	13.1.3.4
f5	big-ip_application_security_manager	>= 14.1.0 < 14.1.2.5	14.1.2.5
f5	big-ip_application_security_manager	>= 15.0.0 < 15.0.1.4	15.0.1.4
f5	big-ip_application_security_manager	>= 15.1.0 < 15.1.0.5	15.1.0.5
f5	big-ip_asm	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV: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.