Vulnerability in the Oracle Database Sharding component of Oracle Database Server. Supported versions that are affected are 19.3-19.22 and 21.3-21.13. Easily exploitable vulnerability allows high privileged attacker having DBA privilege with network access via Oracle Net to compromise Oracle Database Sharding. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Database Sharding. CVSS 3.1 Base Score 2.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L).
Conclusion & alert: CVE-2024-20995 is rated Low Risk (24.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.53%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.11% | 0.53% | +0.42% |
| 2 | 2025-11-21 | 0.22% | 0.11% | -0.11% |
| 3 | 2025-11-18 | — | 0.22% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.4 | 3.1 | LOW |
|
0.9 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | database_server | >= 19.3, <= 19.22 | cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:* |
| oracle | database_server | >= 21.3, <= 21.13 | cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpuapr2024.html | Vendor Advisory |