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Vulnerability record · CVE-2021-2330 · published 21 July 2021

CVE-2021-2330: Oracle core rdbms vulnerability

Oracle · Core Rdbms

Vulnerability in the Core RDBMS component of Oracle Database Server. The supported version that is affected is 19c. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Core RDBMS. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

4.3 CVSS 3.1 Medium EPSS 0.78% · top 45.8%
4.3CVSS 3.1 base score, v2 4.0
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Vulnerability in the Core RDBMS component of Oracle Database Server. The supported version that is affected is 19c. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Core RDBMS. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.oracle.com/security-alerts/cpujul2021.html Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-2330), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.