Vulnerability in Oracle Database Server
CVE-2023-21893
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).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Oracle Database Server — versions 19c, 21c
- Oracle Corporation Data Provider For .Net — versions 19c, 21c
Weakness classification (CWE)
References
- www.oracle.com/security-alerts/cpujan2023.html (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21893?
- CVE-2023-21893 is a high-severity vulnerability in Oracle Database Server, classified under Improper Access Control. CVSS score: 7.5/10. Published 2023-01-18.
- How severe is CVE-2023-21893?
- High severity. CVSS v3 base score is 7.5 out of 10.