CVE-2021-35599: Vulnerability in the Zero Downtime DB Migration to Cloud component of Oracle Database Server. The supported version that is affected is 21c. Easily ex...

Description

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).

Metrics

CVSS 3.1

8.2/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.31%

22.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Zero Downtime Db Migration To Cloud	21c

References

https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Vendor Advisory

Timeline

Published: Oct 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35599?

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).

How severe is CVE-2021-35599?

CVE-2021-35599 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35599?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.