Medium severity · published Apr 18, 2023
CVE-2023-21918
Vulnerability in the Oracle Database Recovery Manager component of Oracle Database Server
6.8
CVSS
0.7%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
Database - Enterprise Edition · Oracle Corporation
19c; 21c · source: vendor
DR
Database Recovery Manager · Oracle
19c; 21c · source: NVD
Affected product
DE
Database - Enterprise Edition
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21918
Patch
https://www.oracle.com/security-alerts/cpuapr2023.html
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