CVE-2025-30733

Description

Vulnerability in the RDBMS Listener component of Oracle Database Server. Supported versions that are affected are 19.3-19.26, 21.3-21.17 and 23.4-23.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS Listener. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all RDBMS Listener accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory oracle.com
Affected: Oracle Corporation Oracle Database Server
Published at:
Updated at:

References

Link Tags
https://www.oracle.com/security-alerts/cpuapr2025.html patch vendor advisory
https://driftnet.io/blog/oracle-tns-memory-leak

Frequently Asked Questions

What is the severity of CVE-2025-30733?
CVE-2025-30733 has been scored as a medium severity vulnerability.
How to fix CVE-2025-30733?
To fix CVE-2025-30733, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-30733 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30733 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30733?
CVE-2025-30733 affects Oracle Corporation Oracle Database Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.