CVE-2020-2930 : What You Need to Know
Learn about CVE-2020-2930, a vulnerability in Oracle MySQL Server (8.0.19 and prior) that allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Parser) allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2930
This CVE involves a vulnerability in MySQL Server that could be exploited by an attacker with network access to compromise the server.
What is CVE-2020-2930?
The vulnerability in MySQL Server (8.0.19 and prior) enables a high privileged attacker to compromise the server, potentially causing a DOS attack.
The Impact of CVE-2020-2930
- The vulnerability allows a high privileged attacker to compromise MySQL Server via multiple protocols.
- Successful exploitation can lead to unauthorized actions causing the server to hang or crash, resulting in a complete DOS.
- CVSS 3.0 Base Score: 4.4 (Availability impacts).
Technical Details of CVE-2020-2930
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server (8.0.19 and prior) 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: 8.0.19 and prior
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Availability Impact: High
- Confidentiality Impact: None
- Integrity Impact: None
Mitigation and Prevention
To address CVE-2020-2930, follow these mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by Oracle.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update MySQL Server to the latest version.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
- Stay informed about security updates from Oracle.
- Apply patches promptly to ensure the server's security.