CVE-2023-21829: Vulnerability in the Oracle Database RDBMS Security component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easil...

Description

Vulnerability in the Oracle Database RDBMS Security component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database RDBMS Security. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Database RDBMS Security accessible data as well as unauthorized read access to a subset of Oracle Database RDBMS Security accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N).

Metrics

CVSS 3.1

6.3/10

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

EPSS Probability

0.45%

35.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Database	19c
Oracle	Database	21c

References

https://www.oracle.com/security-alerts/cpujan2023.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2023.htmlPatch, Vendor Advisory

Timeline

Published: Jan 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21829?

Vulnerability in the Oracle Database RDBMS Security component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database RDBMS Security. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Database RDBMS Security accessible data as well as unauthorized read access to a subset of Oracle Database RDBMS Security accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N).

How severe is CVE-2023-21829?

CVE-2023-21829 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21829?

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.