9.1

CVE-2026-47040

Vulnerability in the Oracle Net Services component of Oracle Database Server.  Supported versions that are affected are 19.3-19.31, 21.3-21.22 and  23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Oracle ≫ Database Server Version >= 19.3 <= 19.31
Oracle ≫ Database Server Version >= 21.3 <= 21.22
Oracle ≫ Database Server Version >= 23.4 <= 23.26.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.47% 0.386
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Oracle 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

https://www.oracle.com/security-alerts/cpujul2026.html
Vendor Advisory