CVE-2021-35551: Medium severity oracle database vulnerability

Published Oct 20, 2021

Updated

Vulnerability in the RDBMS Security component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having DBA privilege with network access via Oracle Net to compromise RDBMS Security. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS Security as well as unauthorized update, insert or delete access to some of RDBMS Security accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

Affected Software

3 affected components

Oracle Database=12.2.0.1

Oracle Database=19c

Oracle Database=21c

Remediation

Patch Available

https://www.oracle.com/security-alerts/cpuoct2021.html

Event History

Oct 20, 2021

CVE Published

via MITRE·10:50 AM

Data Sourced

via MITRE·10:50 AM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2021-35551?

The severity of CVE-2021-35551 is medium with a severity value of 5.5.

Which versions of Oracle Database Server are affected by CVE-2021-35551?

Versions 12.2.0.1, 19c, and 21c of Oracle Database Server are affected by CVE-2021-35551.

What is the vulnerability in CVE-2021-35551?

CVE-2021-35551 is a vulnerability in the RDBMS Security component of Oracle Database Server that allows a high privileged attacker with DBA privilege and network access via Oracle Net to compromise RDBMS Security.

How can CVE-2021-35551 be exploited?

CVE-2021-35551 can be easily exploitable by a high privileged attacker with DBA privilege and network access via Oracle Net.

Is there a fix available for CVE-2021-35551?

For mitigation and fix details, please refer to the official Oracle security advisory at the following link: https://www.oracle.com/security-alerts/cpuoct2021.html