CVE-2026-21977: Oracle Corporation Oracle Zero Data Loss Recovery Appliance Software

Low severity, CVSS 3.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Vulnerability in the Oracle Zero Data Loss Recovery Appliance Software product of Oracle Zero Data Loss Recovery Appliance (component: Security). Supported versions that are affected are 23.1.0-23.1.202509. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Zero Data Loss Recovery Appliance Software. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Zero Data Loss Recovery Appliance Software accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).

Affected products

• Oracle Corporation Oracle Zero Data Loss Recovery Appliance Software: from 23.1.0, up to and including 23.1.202509

Published 2026-01-20. Last modified 2026-06-17.