CVE-2021-48014
CriticalCVSS 9.8Summary
FineReport 9.0 contains a path traversal vulnerability in the /WebReport/ReportServer design_save_svg operation that allows unauthenticated attackers to write arbitrary files via the filePath parameter. Attackers can send a POST request with directory traversal sequences in filePath and a __CONTENT__ payload to write a JSP webshell and achieve remote code execution.
Risk Assessment
An unauthenticated attacker can write a JSP webshell and achieve remote code execution on the application server. Exploitation has been observed in the wild.
Recommendation
Update FineReport to a fixed version and restrict access to the design_save_svg operation in /WebReport/ReportServer.
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Original NVD description (English source)
FineReport 9.0 contains a path traversal vulnerability in the /WebReport/ReportServer design_save_svg operation that allows unauthenticated attackers to write arbitrary files via the filePath parameter. Attackers can send a POST request with directory traversal sequences in filePath and a __CONTENT__ payload to write a JSP webshell and achieve remote code execution. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS