PT-2021-15352 · F5 · Big-Ip

Published 2021-09-14 · Updated 2021-09-28 · CVE-2021-23027

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BIG-IP versions 14.1.x through 14.1.4.3 BIG-IP versions 15.1.x through 15.1.3.1 BIG-IP versions 16.0.x through 16.0.1.2

Description A DOM based cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility, allowing an attacker to execute JavaScript in the context of the currently logged-in user.

Recommendations For versions 14.1.x through 14.1.4.3, update to a version after 14.1.4.3 to resolve the issue. For versions 15.1.x through 15.1.3.1, update to a version after 15.1.3.1 to resolve the issue. For versions 16.0.x through 16.0.1.2, update to a version after 16.0.1.2 to resolve the issue. As a temporary workaround, consider restricting access to the BIG-IP Configuration utility to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-23027

Affected Products

Big-Ip

References · 6

• https://osv.dev/vulnerability/CVE-2021-23027 · Vendor Advisory
• https://support.f5.com/csp/article/K24301698 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23027 · Security Note
• https://t.me/cvenotify/20882 · Telegram Post
• https://t.me/cibsecurity/28856 · Telegram Post
• https://t.me/cvenotify/21582 · Telegram Post