PT-2021-15311 · F5 · Big-Ip

Published 2021-02-12 · Updated 2021-02-24 · CVE-2021-22978

Positive Technologies (AI Summary)

CVSS v3.1

8.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions BIG-IP versions 16.0.x through 16.0.0 BIG-IP versions 15.1.x through 15.1.0 BIG-IP versions 14.1.x through 14.1.3 BIG-IP versions 13.1.x through 13.1.3.4 BIG-IP versions 12.1.x and earlier BIG-IP versions 11.6.x and earlier

Description The issue allows for a reflected XSS attack through undisclosed endpoints in iControl REST, potentially leading to a complete compromise of BIG-IP if the victim user has the admin role.

Recommendations For BIG-IP versions 16.0.x, update to version 16.0.1 or later. For BIG-IP versions 15.1.x, update to version 15.1.1 or later. For BIG-IP versions 14.1.x, update to version 14.1.3.1 or later. For BIG-IP versions 13.1.x, update to version 13.1.3.5 or later. For BIG-IP versions 12.1.x and 11.6.x, consider upgrading to a supported version, as these versions have reached End of Software Development (EoSD).

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-22978

Affected Products

Big-Ip

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-22978 · Security Note
• https://support.f5.com/csp/article/K87502622 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22978 · Vendor Advisory
• https://t.me/cvenotify/9897 · Telegram Post
• https://t.me/cvenotify/10422 · Telegram Post
• https://t.me/cibsecurity/23569 · Telegram Post