CVE-2023-28509: Rocketsoftware Unidata

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 use weak encryption for packet-level security and passwords transferred on the wire.

Affected products

• Rocketsoftware Unidata: up to and including 8.2.4
• Rocketsoftware Universe: up to and including 11.3.5; from 12.0.0, up to and including 12.2.1

Published 2023-03-29. Last modified 2026-06-17.