CVE-2020-14793 : Security Advisory and Response

A vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.

Understanding CVE-2020-14793

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting specific versions.

What is CVE-2020-14793?

The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS attack.

The Impact of CVE-2020-14793

Successful exploitation can lead to unauthorized actions causing server hang or crash, affecting availability.
CVSS 3.1 Base Score: 4.9 (Medium Severity)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Technical Details of CVE-2020-14793

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows attackers to compromise the server, potentially resulting in a DOS attack.

Affected Systems and Versions

MySQL Server versions 5.6.49 and prior
MySQL Server versions 5.7.31 and prior
MySQL Server versions 8.0.21 and prior

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
Availability Impact: High

Mitigation and Prevention

Steps to address and prevent the CVE-2020-14793 vulnerability.

Immediate Steps to Take

Apply patches provided by Oracle promptly.
Monitor Oracle's security alerts for updates.

Long-Term Security Practices

Regularly update MySQL Server to the latest secure versions.
Implement network security measures to restrict access.

Patching and Updates

Stay informed about security advisories from Oracle.
Apply security patches as soon as they are released.