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CVE-2021-48014— FineReport 9.0 Unauthenticated Path Traversal File Write via ReportServer

Quick assessment

Affected
FanRuan FineReport
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FineReport 9.0 在 的 操作中存在路径遍历漏洞。该漏洞允许未认证的攻击者通过 参数写入任意文件。攻击者可构造包含目录遍历序列的 参数，并配合 载荷发送 POST 请求，从而写入 JSP Webshell，实现远程代码执行。Shadowserver 基金会于 2023 年 10 月 14 日首次观察到该漏洞的利用证据。

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
FanRuan FineReport 9.0 affected
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I. Basic Information for CVE-2021-48014

Vulnerability Information
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Vulnerability Title
FineReport 9.0 Unauthenticated Path Traversal File Write via ReportServer
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
FanRuan FineReport 9.0 -

II. Public POCs for CVE-2021-48014

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III. Intelligence Information for CVE-2021-48014

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Exploits & Public PoCs for CVE-2021-48014 (1)

Proof of Concept for CVE-2021-48014 (2)

Vendor Pages for CVE-2021-48014 (1)

Other References for CVE-2021-48014 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2021-48014

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