Medium severity · published Jan 18, 2023
CVE-2023-21827
Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server
4.3
CVSS
0.5%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DA
Database · Oracle
19c; 21c · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21827
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21827
Patch
https://www.oracle.com/security-alerts/cpujan2023.html
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