A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.
https://forums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US
Source: Mitre, NVD
Published: 2023-12-16
Updated: 2024-03-26
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H