The web console login form in ovirt-engine before version 4.2.3 returned different errors for non-existent users and invalid passwords, allowing an attacker to discover the names of valid user accounts.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)