CVE-2021-48014
FineReport 9.0 Unauthenticated Path Traversal File Write via ReportServer
- State
- Published
- Severity
- 9.3 Critical
- Published
- Oct 22, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
FineReportFanRuan |
|
References
- GitHub Python Scriptexploit
- PeiQi Wiki GitHub Exploitexploittechnical-description
- Nuclei Templatetechnical-description
- Product Webpageproduct
- VulnCheck Advisory: FineReport 9.0 Unauthenticated Path Traversal File Write via ReportServerthird-party-advisory
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