Cyber Posture

CVE-2025-30751

High

Published: 15 July 2025

Published
15 July 2025
Modified
29 July 2025
KEV Added
—
Patch
—
CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0025 48.2th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-30751 is a high-severity Incorrect Authorization (CWE-863) vulnerability in Oracle Database Server. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 48.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-6 (Least Privilege) and SC-7 (Boundary Protection).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique. What defenders deploy: see the NIST 800-53 controls recommended below.
Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly remediates the authorization flaw (CWE-863) in Oracle Database by applying patches from the July 2025 Critical Patch Update.

AC-6 Least Privilege good match
prevent

Enforces least privilege to restrict Create Session and Create Procedure privileges to only essential users, eliminating most potential low-privileged attackers.

SC-7 Boundary Protection good match
prevent

Controls network access via Oracle Net to the database server, blocking unauthorized remote exploitation attempts.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Remote network exploitation of Oracle DB via Oracle Net by low-priv user directly maps to public-facing app exploitation and subsequent privilege escalation to full DB takeover.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Vulnerability in the Oracle Database component of Oracle Database Server. Supported versions that are affected are 19.27 and 23.4-23.8. Easily exploitable vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via Oracle Net to compromise…

more

Oracle Database. Successful attacks of this vulnerability can result in takeover of Oracle Database. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Deeper analysisAI

CVE-2025-30751 is a vulnerability in the Oracle Database component of Oracle Database Server. The supported versions affected are 19.27 and 23.4-23.8.

This easily exploitable vulnerability allows a low privileged attacker with Create Session and Create Procedure privileges, who has network access via Oracle Net, to compromise Oracle Database. Successful attacks can result in takeover of Oracle Database, with high impacts to confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.8, with vector (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), and it is associated with CWE-863.

Mitigation details are provided in the Oracle Critical Patch Update for July 2025 advisory at https://www.oracle.com/security-alerts/cpujul2025.html.

Details

CWE(s)
CWE-863

Affected Products

oracle
database server
19.3 — 19.27 · 23.4 — 23.8

CVEs Like This One

CVE-2025-21556Same vendor: Oracle
CVE-2025-30743Same vendor: Oracle
CVE-2025-30744Same vendor: Oracle
CVE-2025-21565Same vendor: Oracle
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CVE-2025-21506Same vendor: Oracle
CVE-2026-22011Same vendor: Oracle
CVE-2026-34309Same vendor: Oracle
CVE-2025-50106Same vendor: Oracle
CVE-2026-32267Shared CWE-863

References