Vulnerability Details : CVE-2023-21918
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).
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2023-21918
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 11 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-21918
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
2.3
|
4.0
|
[email protected] |
References for CVE-2023-21918
-
https://www.oracle.com/security-alerts/cpuapr2023.html
Patch;Vendor Advisory
Products affected by CVE-2023-21918
- cpe:2.3:a:oracle:database_recovery_manager:21c:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:database_recovery_manager:19c:*:*:*:*:*:*:*