CVE-2018-18659: Arcserve UDP

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4. There is a DDI-VRT-2018-19 Unauthenticated XXE in /management/UdpHttpService issue.

Affected products

• Arcserve UDP: version 6.0 only; version 6.5 only

Published 2018-10-26. Last modified 2026-06-17.