CVE-2023-21893

High

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).

SeverityHigh
CVSS7.5
Exploit probability—
ProductOracle Database Server
PublishedJan 18, 2023
First seenJan 18, 2023

How to fix

Update
  • Oracle.ManagedDataAccess21.9.0, 19.18.0 or later
  • Oracle.ManagedDataAccess.Core3.21.90, 2.19.180 or later

Affected products

ProductAffected versionsFixed in
oracle database_server19c, 21c—
Oracle.ManagedDataAccessNuGet21.0.0 ≤ v < 21.9.0, 19.0.0 ≤ v < 19.18.021.9.0, 19.18.0
Oracle.ManagedDataAccess.CoreNuGet3.21.0 ≤ v < 3.21.90, 2.19.0 ≤ v < 2.19.1803.21.90, 2.19.180

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