CVE-2021-35599: Oracle Zero Downtime DB Migration To Cloud

High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Vulnerability in the Zero Downtime DB Migration to Cloud component of Oracle Database Server. The supported version that is affected is 21c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with logon to the infrastructure where Zero Downtime DB Migration to Cloud executes to compromise Zero Downtime DB Migration to Cloud. While the vulnerability is in Zero Downtime DB Migration to Cloud, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Zero Downtime DB Migration to Cloud. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Affected products

• Oracle Zero Downtime DB Migration To Cloud: version 21c only

Published 2021-10-20. Last modified 2026-06-17.