CVE-2021-41809— SSRF vulnerability in M-Files Server products with versions before 22.1.11017.1, allows requests from server.
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I. Basic Information for CVE-2021-41809
Vulnerability Information
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Vulnerability Title
SSRF vulnerability in M-Files Server products with versions before 22.1.11017.1, allows requests from server.
Source: NVD (National Vulnerability Database)
Vulnerability Description
SSRF vulnerability in M-Files Server products with versions before 22.1.11017.1, in a preview function allowed making queries from the server with certain document types referencing external entities.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
M-Files Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
M-Files Server是M-Files公司的一个 M-Files 系统的服务器。 M-Files Server 产品 22.1.11017.1 之前版本存在安全漏洞，该漏洞源于预览功能允许从服务器查询某些引用外部实体的文档类型。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| M-Files | M-Files Server | Online ~ 22.1.11017.1 | - |
II. Public POCs for CVE-2021-41809
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · M-Files · 2022-01-18 · 3 CVEs total
| CVE-2021-41807 | 7.5 HIGH | Lack of rate limiting in M-Files Server and M-Files Web products with versions before 21.1 |
| CVE-2021-41808 | 2.0 LOW | In M-Files Server product with versions before 21.11.10775.0, enabling logging of federate |
IV. Related Vulnerabilities
Same product: M-Files Server
Same vendor: M-Files
- CVE-2023-6239
Incorrect calculation of effective permissions - CVE-2023-6189
Improper Permission Handling in M-Files Server - CVE-2023-6117
M-Files REST API allows Denial of Service - CVE-2023-5524
M-Files Web Companion allows Remote Code Execution for some - CVE-2023-5523
M-Files Web Companion allows Remote Code Execution
Same weakness: CWE-918
- CVE-2026-45338
Open WebUI: SSRF via OAuth Profile Picture URL in _process_p - CVE-2026-45347
Open WebUI: Blind server side request forgery (SSRF) via the - CVE-2026-45400
Open WebUI: Server-Side Request Forgery (SSRF) bypass in `va - CVE-2026-45401
Open WebUI: SSRF Bypass via HTTP Redirect Following in Web-F - CVE-2026-45331
Open WebUI: Full SSRF Vulnerability in the RAG Web Search Fe
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