#VU71244 Improper Certificate Validation in Oracle Database Server - CVE-2023-21893
Published: January 17, 2023 / Updated: May 2, 2023
Vulnerability identifier: #VU71244
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-21893
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Oracle Database Server
Oracle Database Server
Software vendor:
Oracle
Oracle
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation within the ValidateRemoteCertificate function in the Oracle ODP.NET managed driver. A remote attacker can perform MitM attack.
Remediation
Install updates from vendor's website.