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Vulnerabilities

Vulnerability · CVE-2023-21829

Vulnerability in the Oracle Database RDBMS Security component of Oracle Database Server.

Published Jan 18, 2023 · catalog updated Jun 17, 2026 · Oracle

Check if you run it

No confirmed exploitation is on record for CVE-2023-21829. EPSS is 0.45%. Act only if a listed version of Oracle is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.45%
Remediation
Advisory link
Affected products
cpe oracle/database

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).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe oracle/database19c
  • cpe oracle/database21c

How to fix CVE-2023-21829

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-21829. EPSS is 0.45%. Act only if a listed version of Oracle is installed.

Which versions are affected?

Compare what you have installed with 19c, 21c. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 18, 2023 · Oracle Critical Patch Updates

    Detected

    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 attack

  2. Jun 17, 2026 · Oracle Critical Patch Updates

    Updated

    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 attack

Sources

  • CVE.orgVulnerability recordCVE-2023-21829

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-21829

    30-day exploitation probability 0.4%

    first.org
  • Oracle Critical Patch UpdatesVendor advisoryCVE-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 attack

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.