Wiz
Vulnerability DatabaseCVE-2020-2734

CVE-2020-2734: 
Oracle Database Server vulnerability analysis and mitigation

Overview

Vulnerability in the RDBMS/Optimizer component of Oracle Database Server affecting supported versions 12.1.0.2, 12.2.0.1, 18c and 19c. This vulnerability requires the attacker to have Execute on DBMS_SQLTUNE privilege with network access via Oracle Net (Oracle Advisory).

Technical details

The vulnerability has a CVSS v3.0 Base Score of 2.4 (Confidentiality impacts). The attack requires network access via Oracle Net and high privileges (Execute on DBMS_SQLTUNE) along with human interaction. Successful exploitation can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data (Oracle Advisory).

Impact

The successful exploitation of this vulnerability can lead to unauthorized read access to a subset of RDBMS/Optimizer accessible data, potentially compromising the confidentiality of sensitive information (Oracle Advisory).

Mitigation and workarounds

Oracle has released patches for affected versions (12.1.0.2, 12.2.0.1, 18c and 19c) as part of the April 2020 Critical Patch Update. Organizations are strongly recommended to apply these security patches without delay (Oracle Advisory).

Additional resources

Source: This report was generated using AI

Related Oracle Database Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-53047MEDIUM5.8
  • Oracle Database ServerOracle Database Server
  • cpe:2.3:a:oracle:database_server
NoNoOct 21, 2025
CVE-2025-50070MEDIUM5.3
  • Oracle Database ServerOracle Database Server
  • cpe:2.3:a:oracle:database_server
NoNoJul 15, 2025
CVE-2025-61749LOW2.7
  • Oracle Database ServerOracle Database Server
  • cpe:2.3:a:oracle:database_server
NoNoOct 21, 2025
CVE-2025-53051LOW2.7
  • Oracle Database ServerOracle Database Server
  • cpe:2.3:a:oracle:database_server
NoNoOct 21, 2025
CVE-2025-50066LOW2.7
  • Oracle Database ServerOracle Database Server
  • cpe:2.3:a:oracle:database_server
NoNoJul 15, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo