PT-2021-15331 · F5 · Big-Ip

Published 2021-03-31 · Updated 2021-04-05 · CVE-2021-23004

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 11.6.x before 11.6.5.3 BIG-IP versions 12.1.x before 12.1.5.3 BIG-IP versions 13.1.x before 13.1.3.6 BIG-IP versions 14.1.x before 14.1.3.1 BIG-IP versions 15.1.x before 15.1.2 BIG-IP versions 16.0.x before 16.0.1.1

Description Multipath TCP (MPTCP) forwarding flows may be created on standard virtual servers without MPTCP enabled in the applied TCP profile.

Recommendations For BIG-IP versions 11.6.x before 11.6.5.3, update to version 11.6.5.3 or later. For BIG-IP versions 12.1.x before 12.1.5.3, update to version 12.1.5.3 or later. For BIG-IP versions 13.1.x before 13.1.3.6, update to version 13.1.3.6 or later. For BIG-IP versions 14.1.x before 14.1.3.1, update to version 14.1.3.1 or later. For BIG-IP versions 15.1.x before 15.1.2, update to version 15.1.2 or later. For BIG-IP versions 16.0.x before 16.0.1.1, update to version 16.0.1.1 or later.

Fix

Related Identifiers

CVE-2021-23004

Affected Products

Big-Ip

References · 5

• https://support.f5.com/csp/article/K31025212 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-23004 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23004 · Security Note
• https://t.me/cvenotify/12411 · Telegram Post
• https://t.me/cvenotify/12659 · Telegram Post