PT-2021-15359 · F5 · Big-Ip

Published 2021-09-14 · Updated 2021-09-27 · CVE-2021-23035

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 14.1.x through 14.1.4.3

Description The issue occurs when an HTTP profile is configured on a virtual server. After a specific sequence of packets, chunked responses can cause the Traffic Management Microkernel (TMM) to terminate.

Recommendations For BIG-IP versions 14.1.x through 14.1.4.3, update to version 14.1.4.4 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-23035

Affected Products

Big-Ip

References · 4

• https://support.f5.com/csp/article/K70415522 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23035 · Security Note
• https://osv.dev/vulnerability/CVE-2021-23035 · Vendor Advisory
• https://t.me/cibsecurity/28839 · Telegram Post