CVE-2023-28125: Ivanti Avalanche

Medium severity, CVSS 5.9. EPSS: 2.3% chance of exploitation in the next 30 days.

An improper authentication vulnerability exists in Avalanche Premise versions 6.3.x and below that could allow an attacker to gain access to the server by registering to receive messages from the server and perform an authentication bypass.

Affected products

• Ivanti Avalanche: up to and including 6.3.4.153

Published 2023-05-09. Last modified 2026-06-17.