CVE-2023-38551: Ivanti Connect Secure

High severity, CVSS 8.2. EPSS: 1% chance of exploitation in the next 30 days.

A CRLF Injection vulnerability in Ivanti Connect Secure (9.x, 22.x) allows an authenticated high-privileged user to inject malicious code on a victim’s browser, thereby leading to cross-site scripting attack.

Affected products

• Ivanti Connect Secure: from 22.7, before 22.7R2 (fixed in 22.7R2); from 22.5, before 22.5R2.2 (fixed in 22.5R2.2); from 9, before 9.1R18.6 (fixed in 9.1R18.6)

Published 2024-05-31. Last modified 2026-06-17.