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CVE-2021-33184

Quick assessment

Affected
Synology Synology Download Station
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.

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。

CVSS 7.7 · High EPSS 1.00% · P62

Possible ATT&CK Techniques 1 AI

T1534 · Internal Spearphishing
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I. Basic Information for CVE-2021-33184

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
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

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III. Intelligence Information for CVE-2021-33184

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Other References for CVE-2021-33184 (1)

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 product: Synology Download Station
Same vendor: Synology
Same weakness: CWE-918

V. Comments for CVE-2021-33184

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