CVE-2020-15621 Explained : Impact and Mitigation
Learn about CVE-2020-15621, a high-severity vulnerability in CentOS Web Panel cwp-e17.0.9.8.923 allowing remote attackers to access sensitive information without authentication. Find mitigation steps here.
This vulnerability allows remote attackers to disclose sensitive information on affected installations of CentOS Web Panel cwp-e17.0.9.8.923. Authentication is not required to exploit this vulnerability. The specific flaw exists within ajax_mail_autoreply.php. When parsing the email parameter, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-9711.
Understanding CVE-2020-15621
This CVE affects CentOS Web Panel version cwp-e17.0.9.8.923.
What is CVE-2020-15621?
CVE-2020-15621 is a vulnerability that allows remote attackers to disclose sensitive information on CentOS Web Panel installations without requiring authentication. The flaw lies in the improper validation of user-supplied input in ajax_mail_autoreply.php, leading to SQL injection.
The Impact of CVE-2020-15621
The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.5. It has a high confidentiality impact, allowing attackers to access sensitive information without authentication.
Technical Details of CVE-2020-15621
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from improper neutralization of special elements used in an SQL command, specifically SQL injection (CWE-89).
Affected Systems and Versions
- Product: CentOS Web Panel
- Version: cwp-e17.0.9.8.923
Exploitation Mechanism
The flaw in ajax_mail_autoreply.php allows attackers to manipulate the email parameter to execute SQL queries, leading to unauthorized access to sensitive data.
Mitigation and Prevention
Protect your systems from CVE-2020-15621 with the following steps:
Immediate Steps to Take
- Apply security patches promptly
- Monitor and restrict network access to vulnerable components
- Implement strong input validation mechanisms
Long-Term Security Practices
- Regular security assessments and audits
- Employee training on secure coding practices
- Implementing least privilege access controls
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.