CVE-2009-2275 in cPanel
Summary
by MITRE
Directory traversal vulnerability in frontend/x3/stats/lastvisit.html in cPanel allows remote attackers to read arbitrary files via a .. (dot dot) in the domain parameter.
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Analysis
by VulDB Data Team • 10/07/2025
The vulnerability identified as CVE-2009-2275 represents a critical directory traversal flaw within the cPanel web interface, specifically affecting the frontend/x3/stats/lastvisit.html component. This issue enables remote attackers to access arbitrary files on the target system by manipulating the domain parameter through directory traversal sequences using the .. (dot dot) notation. The flaw resides in the insufficient input validation and sanitization mechanisms that fail to properly restrict file access paths, allowing malicious actors to bypass normal access controls and potentially obtain sensitive system information.
The technical implementation of this vulnerability stems from inadequate parameter handling within the cPanel statistics module. When the domain parameter is processed without proper validation, the application fails to sanitize or restrict the input to prevent directory traversal attacks. Attackers can exploit this by constructing malicious URLs that include .. sequences in the domain parameter, which then get interpreted by the web server as requests to navigate up directory structures. This weakness directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. The vulnerability demonstrates a classic lack of input validation and proper access control enforcement that allows unauthorized file system access.
The operational impact of CVE-2009-2275 extends beyond simple file disclosure, potentially enabling attackers to access sensitive configuration files, log files, and other system resources that could contain authentication credentials, system configurations, or other confidential data. In cPanel environments, this vulnerability could provide attackers with access to administrative interfaces, user account information, and potentially lead to full system compromise. The remote nature of the exploit means that attackers do not require local access or credentials to attempt exploitation, making it particularly dangerous in shared hosting or managed server environments where multiple users may be affected. This vulnerability aligns with ATT&CK technique T1083, which covers the discovery of system information through directory traversal methods.
Mitigation strategies for this vulnerability involve implementing proper input validation and sanitization measures within the cPanel application. System administrators should ensure that all user-supplied parameters undergo strict validation to prevent directory traversal sequences from being processed. The recommended approach includes implementing whitelisting mechanisms that only accept predefined, safe values for the domain parameter, or employing proper path normalization techniques that strip out or reject potentially malicious path sequences. Additionally, applying the latest security patches from cPanel vendors is essential, as this vulnerability has been addressed in subsequent releases. Network segmentation and access control measures can provide additional defense in depth, limiting the potential impact if exploitation occurs. Organizations should also implement monitoring and logging mechanisms to detect suspicious access patterns that may indicate attempted exploitation of directory traversal vulnerabilities.