CVE-2021-42125: Ivanti Avalanche

High severity, CVSS 8.8. EPSS: 81.6% chance of exploitation in the next 30 days.

An unrestricted file upload vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to write dangerous files.

Affected products

• Ivanti Avalanche: before 6.3.3 (fixed in 6.3.3)

Published 2021-12-07. Last modified 2026-06-17.