Vulnerability record · CVE-2024-21126 · published 16 July 2024

CVE-2024-21126: Oracle database server uncontrolled resource consumption vulnerability

Oracle · Database Server

Vulnerability in the Oracle Database Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.23 and 21.3-21.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via DNS to compromise Oracle Database Portable Clusterware. While the vulnerability is in Oracle Database Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Database Portable Clusterware. CVSS 3.1 Base Score 5.8 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L).

5.8 CVSS 3.1 Medium EPSS 0.49% · top 59.8% CWE-400 · Uncontrolled resource consumption

5.8CVSS 3.1 base score

0.49%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

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

Affected products

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

Database Server Oracle

References

Link	Tags
https://www.oracle.com/security-alerts/cpujul2024.html	Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2024.html	Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2024-21126), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.