CVE-2023-37497: Hcltech Unica

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The Unica application exposes an API which accepts arbitrary XML input. By manipulating the given XML, an authenticated attacker with certain rights can successfully perform XML External Entity attacks (XXE) against the backend service.

Affected products

• Hcltech Unica: before 11.1.0.6 (fixed in 11.1.0.6); from 12.0, before 12.1.1 (fixed in 12.1.1)

Published 2023-08-03. Last modified 2026-06-17.