CVE-2021-39021: IBM Guardium Data Encryption

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM Guardium Data Encryption (GDE) 5.0.0.2 behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which could facilitate username enumeration. IBM X-Force ID: 213856.

Affected products

• IBM Guardium Data Encryption: version 5.0.0.2 only

Published 2022-02-02. Last modified 2026-06-17.