CVE-2020-2511: High severity Oracle Database Server vulnerability

Published Jan 15, 2020
·
Updated

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Core RDBMS. CVSS 3.0 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).

Affected Software

4 affected components
Oracle Database Server=12.1.0.2
Oracle Database Server=12.2.0.1
Oracle Database Server=18c
Oracle Database Server=19c

Event History

Jan 15, 2020
CVE Published
via MITRE·04:33 PM
Data Sourced
via MITRE·04:33 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-2511?

The severity of CVE-2020-2511 is high, with a CVSS score of 7.7.

2

What versions of Oracle Database Server are affected by CVE-2020-2511?

Versions 12.1.0.2, 12.2.0.1, 18c, and 19c of Oracle Database Server are affected by CVE-2020-2511.

3

How can a low privileged attacker exploit CVE-2020-2511?

A low privileged attacker with Create Session privilege and network access via OracleNet can exploit CVE-2020-2511.

4

What is the recommended action to fix CVE-2020-2511?

Apply the necessary security patches provided by Oracle to fix CVE-2020-2511.

5

Where can I find more information about CVE-2020-2511?

You can find more information about CVE-2020-2511 on the Oracle Security Alerts page: https://www.oracle.com/security-alerts/cpujan2020.html

Contact

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