What is the CVSS score of CVE-2025-30733?

CVE-2025-30733 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Which versions of Rdbms Listener are affected by CVE-2025-30733?

Organizations using the RDBMS Listener component of Oracle Database Server. Supported should be aware of notable risk from CVE-2025-30733, a improper authentication vulnerability rated CVSS 6.5.. A patch is available.

How to fix or mitigate CVE-2025-30733?

Within 30 days: Identify affected systems running the RDBMS Listener component of Oracle Database Server. Sup and apply vendor patches as part of regular patch cycle. Audit authentication configurations.

Rdbms Listener CVE-2025-30733

MEDIUM

Improper Authentication (CWE-287)

2025-04-15 secalert_us@oracle.com

Oracle Authentication Bypass Rdbms Listener

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:36 vuln.today

Patch released

Mar 28, 2026 - 18:36 nvd

Patch available

CVE Published

Apr 15, 2025 - 21:16 nvd

MEDIUM 6.5

DescriptionCVE.org

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).

AnalysisAI

Vulnerability in the RDBMS Listener component of Oracle Database Server. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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). Affected products include: Oracle Rdbms Listener.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.