Improper Certificate Validation in Oracle Database Server - CVE-2023-21893

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Main Vulnerability Database Vulnerabilities #VU71244

Improper Certificate Validation in Oracle Database Server - CVE-2023-21893

Published: January 17, 2023 / Updated: May 2, 2023


Vulnerability identifier: #VU71244
CSH Severity: Medium
CVSS v4: 7.6 [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]
CVE-ID: CVE-2023-21893
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Oracle Database Server
Robotic Process Automation for Cloud Pak
IBM Robotic Process Automation

How to mitigate CVE-2023-21893

Install updates from vendor's website.

Robotic Process Automation for Cloud Pak - addressed in versions 21.0.7.5, 23.0.7
IBM Robotic Process Automation - addressed in versions 21.0.7.5, 23.0.7

External References

Related Security Bulletins