High severity · published Jan 18, 2023
CVE-2023-21893
Vulnerability in the Oracle Data Provider for .NET component of Oracle Database Server
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Data Provider for .NET component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Data Provider for .NET. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Data Provider for .NET. Note: Applies also to Database client-only on Windows platform. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Database Server · Oracle
19c; 21c · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21893
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21893
Patch
https://www.oracle.com/security-alerts/cpujan2023.html
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