PT-2020-16786 · F5 · Big-Ip Apm

Published 2020-12-24 · Updated 2020-12-28 · CVE-2020-27724

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BIG-IP APM versions 11.6.1 through 11.6.5.2 BIG-IP APM versions 12.1.0 through 12.1.5.2 BIG-IP APM versions 13.1.0 through 13.1.3.4 BIG-IP APM versions 14.1.0 through 14.1.3 BIG-IP APM versions 15.0.0 through 15.0.1.3 BIG-IP APM versions 15.1.0 through 15.1.0.4 BIG-IP APM versions 16.0.0 through 16.0.0.1

Description On systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel.

Recommendations For BIG-IP APM versions 11.6.1 through 11.6.5.2, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 12.1.0 through 12.1.5.2, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 13.1.0 through 13.1.3.4, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 14.1.0 through 14.1.3, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 15.0.0 through 15.0.1.3, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 15.1.0 through 15.1.0.4, update to a version outside of this range to mitigate the risk. For BIG-IP APM versions 16.0.0 through 16.0.0.1, update to a version outside of this range to mitigate the risk.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2020-27724

Affected Products

Big-Ip Apm

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-27724 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27724 · Vendor Advisory
• https://support.f5.com/csp/article/K04518313 · Vendor Advisory
• https://t.me/cibsecurity/21275 · Telegram Post