PT-2020-16778 · F5 · Big-Ip

Abramov Nikita + 1 · Published 2020-12-24 · Updated 2020-12-28 · CVE-2020-27716

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions BIG-IP versions 11.6.1 through 11.6.5.2 BIG-IP versions 12.1.0 through 12.1.5.2 BIG-IP versions 13.1.0 through 13.1.3.5 BIG-IP versions 14.1.0 through 14.1.3 BIG-IP versions 15.1.0 through 15.1.0.5

Description When a BIG-IP APM virtual server processes traffic of an undisclosed nature, the Traffic Management Microkernel (TMM) stops responding and restarts.

Recommendations For versions 11.6.1 through 11.6.5.2, update to a version outside of this range to resolve the issue. For versions 12.1.0 through 12.1.5.2, update to a version outside of this range to resolve the issue. For versions 13.1.0 through 13.1.3.5, update to a version outside of this range to resolve the issue. For versions 14.1.0 through 14.1.3, update to a version outside of this range to resolve the issue. For versions 15.1.0 through 15.1.0.5, update to a version outside of this range to resolve the issue.

Fix

Related Identifiers

CVE-2020-27716

Affected Products

Big-Ip

References · 6

• https://support.f5.com/csp/article/K51574311 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27716 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27716 · Vendor Advisory
• https://t.me/cibsecurity/21282 · Telegram Post
• https://t.me/cvenotify/7821 · Telegram Post
• https://t.me/cvenotify/7710 · Telegram Post