CVE-2021-33184
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I. Basic Information for CVE-2021-33184
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Server-Side request forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.15-3563 allows remote authenticated users to read arbitrary files via unspecified vectors.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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
Synology Download Station 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Download Station是一款浏览器扩展。可以在不访问 群晖 网页版本的情况下，浏览下载中心套件的正在下载与已下载任务，还可以添加任务。 Synology Download Station 3.8.15-3563之前存在安全漏洞，该漏洞允许远程认证用户通过未指定的矢量读取任意文件。
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 |
|---|---|---|---|---|
| Synology | Synology Download Station | unspecified ~ 3.8.15-3563 | - |
II. Public POCs for CVE-2021-33184
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.synology.com/security/advisory/Synology_SA_20_23x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-33184
Same Patch Batch · Synology · 2021-06-01 · 7 CVEs total
| CVE-2021-29092 | 8.8 HIGH | Synology Photo Station 代码问题漏洞 |
| CVE-2021-33183 | 7.9 HIGH | Docker 路径遍历漏洞 |
| CVE-2021-29088 | 7.8 HIGH | Synology DiskStation Manager 路径遍历漏洞 |
| CVE-2021-33180 | 7.3 HIGH | Synology Media Server SQL注入漏洞 |
| CVE-2021-33181 | 6.6 MEDIUM | Synology Video Station Video Station 代码问题漏洞 |
| CVE-2021-33182 | 5.0 MEDIUM | Synology DiskStation Manager 路径遍历漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-918
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pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2021-33184
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