CVE-2020-2901 Explained : Impact and Mitigation
Learn about CVE-2020-2901, a vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially causing a denial of service (DOS) attack. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Optimizer) allows a high privileged attacker to compromise the server. The affected versions are 8.0.19 and prior, with a CVSS 3.0 Base Score of 4.9.
Understanding CVE-2020-2901
This CVE involves a vulnerability in Oracle MySQL Server that can be exploited by a high privileged attacker with network access, potentially leading to a denial of service (DOS) attack.
What is CVE-2020-2901?
The vulnerability in Oracle MySQL Server allows attackers to compromise the server, potentially causing a DOS by crashing the server. The affected versions are 8.0.19 and prior.
The Impact of CVE-2020-2901
Successful exploitation of this vulnerability can result in unauthorized access, leading to a hang or frequently repeatable crash of the MySQL Server, impacting its availability.
Technical Details of CVE-2020-2901
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in Oracle MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS by crashing the server.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.19 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
To address CVE-2020-2901, follow these mitigation strategies:
Immediate Steps to Take
- Apply the latest 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 and patch the MySQL Server.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that you regularly check for updates and security patches released by Oracle for MySQL Server.