CVE-2023-21918

MEDIUM

Oracle Database Server <21c - Privilege Escalation

Title source: llm
STIX 2.1

Description

Vulnerability in the Oracle Database Recovery Manager component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having Local SYSDBA privilege with network access via Oracle Net to compromise Oracle Database Recovery Manager. While the vulnerability is in Oracle Database Recovery Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Database Recovery Manager. CVSS 3.1 Base Score 6.8 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H).

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpuapr2023.html

Scores

CVSS v3 6.8
EPSS 0.0040
EPSS Percentile 60.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (2)
oracle/database_recovery_manager 19c
oracle/database_recovery_manager 21c
Published Apr 18, 2023
Tracked Since Feb 18, 2026