PT-2021-15357 · F5 · Big-Ip

Published 2021-09-14 · Updated 2021-09-27 · CVE-2021-23032

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions BIG-IP versions 12.1.x BIG-IP versions 13.1.x BIG-IP versions 14.1.x through 14.1.4.4 BIG-IP versions 15.1.x through 15.1.3.1 BIG-IP versions 16.x through 16.1.0

Description When a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate.

Recommendations For BIG-IP version 12.1.x, update to a version after 12.1.x to resolve the issue. For BIG-IP version 13.1.x, update to a version after 13.1.x to resolve the issue. For BIG-IP versions 14.1.x through 14.1.4.4, update to version 14.1.4.4 or later to resolve the issue. For BIG-IP versions 15.1.x through 15.1.3.1, update to version 15.1.3.1 or later to resolve the issue. For BIG-IP versions 16.x through 16.1.0, update to version 16.1.0 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-23032

Affected Products

Big-Ip

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-23032 · Security Note
• https://osv.dev/vulnerability/CVE-2021-23032 · Vendor Advisory
• https://support.f5.com/csp/article/K45407662 · Vendor Advisory
• https://t.me/cibsecurity/28845 · Telegram Post
• https://t.me/cvenotify/21497 · Telegram Post