CVE-2020-14852 : Vulnerability Insights and Analysis
Learn about CVE-2020-14852, a vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Charsets) allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14852
This CVE involves a vulnerability in MySQL Server that could be exploited by an attacker with network access, resulting in a DOS attack.
What is CVE-2020-14852?
The vulnerability in MySQL Server allows a high privileged attacker to compromise the server, potentially causing a DOS attack. The affected versions are 8.0.21 and prior.
The Impact of CVE-2020-14852
Successful exploitation of this vulnerability can lead to unauthorized access, causing the server to hang or crash, resulting in a complete denial of service. The CVSS 3.1 Base Score is 4.9, with a high impact on availability.
Technical Details of CVE-2020-14852
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially leading to a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-14852 is crucial to prevent potential attacks.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activities.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security audits and assessments to identify and mitigate risks.
Patching and Updates
Ensure that the MySQL Server is updated with the latest security patches to mitigate the vulnerability effectively.