Improper input validation in Oracle Database Server - CVE-2025-53047
Published: October 21, 2025
Vulnerability identifier: #VU121775
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-53047
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to improper input validation within the Portable Clusterware in Oracle Database Server. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
Affected software
Oracle Database Server
How to mitigate CVE-2025-53047
Install updates from vendor's website.
Oracle Database Server - addressed in versions 19.29, 21.20, 23.9.1