CVE-2020-7357 : Vulnerability Insights and Analysis
Learn about CVE-2020-7357, an authenticated OS command injection vulnerability in Cayin CMS, allowing attackers to execute arbitrary shell commands. Mitigate the risk with immediate steps and long-term security practices.
Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability that allows the execution of arbitrary shell commands as the root user. This vulnerability affects various versions of the CMS application.
Understanding CVE-2020-7357
This CVE involves an authenticated OS command injection vulnerability in Cayin CMS.
What is CVE-2020-7357?
The vulnerability allows attackers to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in the system.cgi page of Cayin CMS.
The Impact of CVE-2020-7357
The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. It poses a high risk to confidentiality and integrity, with low privileges required for exploitation.
Technical Details of CVE-2020-7357
This section provides more technical insights into the CVE.
Vulnerability Description
Cayin CMS is prone to an authenticated OS semi-blind command injection vulnerability using default credentials, allowing attackers to execute arbitrary shell commands as the root user.
Affected Systems and Versions
- Cayin CMS-SE: <= 11.0 Build 19179
- Cayin CMS-60: <= 11.0 Build 19025
- Cayin CMS-40: <= 9.0 Build 14917
- Cayin CMS-20: <= 9.0 Build 14917
- Cayin CMS: 8.2 Build 12199, 8.0 Build 11175, 7.5 Build 11175
Exploitation Mechanism
The vulnerability can be exploited by injecting malicious commands through the 'NTP_Server_IP' HTTP POST parameter in the system.cgi page.
Mitigation and Prevention
Protect your systems from CVE-2020-7357 with these mitigation strategies.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Implement strong, unique passwords for all accounts.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Conduct regular security assessments and audits.
- Educate users on safe computing practices.
- Keep software and systems up to date with the latest security patches.
- Disable unnecessary services and functionalities.
Patching and Updates
Regularly check for updates and patches from Cayin Technology to address the vulnerability.