PT-2021-15369 · F5 · Big-Ip

Published 2021-09-14 · Updated 2021-09-27 · CVE-2021-23045

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 before 13.1.4.1 BIG-IP versions 14.1.x before 14.1.4.3 BIG-IP versions 15.1.x before 15.1.3.1 BIG-IP versions 16.0.x before 16.0.1.2

Description When an SCTP profile with multiple paths is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.

Recommendations For BIG-IP version 12.1.x, there is no information about a newer version that contains a fix for this issue. For BIG-IP versions 13.1.x before 13.1.4.1, update to version 13.1.4.1 or later. For BIG-IP versions 14.1.x before 14.1.4.3, update to version 14.1.4.3 or later. For BIG-IP versions 15.1.x before 15.1.3.1, update to version 15.1.3.1 or later. For BIG-IP versions 16.0.x before 16.0.1.2, update to version 16.0.1.2 or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-23045

Affected Products

Big-Ip

References · 4

• https://support.f5.com/csp/article/K94941221 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-23045 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23045 · Security Note
• https://t.me/cibsecurity/28829 · Telegram Post