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
Products affected by CVE-2023-21918
- cpe:2.3:a:oracle:database_recovery_manager:21c:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:database_recovery_manager:19c:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-21918
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-21918
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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
|
Oracle |
References for CVE-2023-21918
-
https://www.oracle.com/security-alerts/cpuapr2023.html
Oracle Critical Patch Update Advisory - April 2023Patch;Vendor Advisory
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