CVE-2020-15319 : Exploit Details and Defense Strategies
Learn about CVE-2020-15319 affecting Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 with a hardcoded RSA SSH key for the root account. Find mitigation steps and prevention measures.
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded RSA SSH key for the root account within the /opt/mysql chroot directory tree.
Understanding CVE-2020-15319
This CVE involves a vulnerability in Zyxel CloudCNM SecuManager versions 3.1.0 and 3.1.1.
What is CVE-2020-15319?
The vulnerability in Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 allows for a hardcoded RSA SSH key for the root account within the /opt/mysql chroot directory tree.
The Impact of CVE-2020-15319
The presence of a hardcoded RSA SSH key for the root account poses a significant security risk, potentially allowing unauthorized access to the system.
Technical Details of CVE-2020-15319
This section provides more technical insights into the CVE.
Vulnerability Description
The hardcoded RSA SSH key for the root account in Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 is located within the /opt/mysql chroot directory tree.
Affected Systems and Versions
- Product: Zyxel CloudCNM SecuManager
- Versions: 3.1.0 and 3.1.1
Exploitation Mechanism
The vulnerability can be exploited by attackers to gain unauthorized access to the system using the hardcoded RSA SSH key.
Mitigation and Prevention
Protecting systems from CVE-2020-15319 is crucial to maintaining security.
Immediate Steps to Take
- Disable SSH access to the affected Zyxel CloudCNM SecuManager versions.
- Monitor for any unauthorized access attempts.
Long-Term Security Practices
- Implement regular security audits to identify vulnerabilities.
- Follow best practices for SSH key management and avoid hardcoded keys.
Patching and Updates
- Apply patches or updates provided by Zyxel to address the vulnerability in CloudCNM SecuManager.