CVE-2024-28021: Hitachienergy Foxman-Un

High severity, CVSS 7.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability exists in the FOXMAN-UN/UNEM server that affects the message queueing mechanism’s certificate validation. If exploited an attacker could spoof a trusted entity causing a loss of confidentiality and integrity.

Affected products

• Hitachienergy Foxman-Un: version r15b only; version r16b only
• Hitachienergy Foxman Un: version r15a only; version r16a only
• Hitachienergy Unem: version r15a only; version r15b only; version r16a only; version r16b only

Published 2024-06-11. Last modified 2026-06-17.