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CVE-2021-33182

Quick assessment

Affected
Synology Synology DiskStation Manager (DSM)
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 DiskStation Manager（DSM）是中国台湾群晖科技（Synology）公司的一套用于网络储存服务器（NAS）上的操作系统。该操作系统可管理资料、文件、照片、音乐等信息。 Synology DiskStation Manager 6.2.4-25553之前版本存在路径遍历漏洞，该漏洞允许远程认证用户通过未指定的向量读取有限的文件。

CVSS 5.0 · Medium EPSS 1.11% · P65

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-33182

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in PDF Viewer component in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows remote authenticated users to read limited 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:L/I:N/A:N
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
Vulnerability Title
Synology DiskStation Manager 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology DiskStation Manager（DSM）是中国台湾群晖科技（Synology）公司的一套用于网络储存服务器（NAS）上的操作系统。该操作系统可管理资料、文件、照片、音乐等信息。 Synology DiskStation Manager 6.2.4-25553之前版本存在路径遍历漏洞，该漏洞允许远程认证用户通过未指定的向量读取有限的文件。
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 DiskStation Manager (DSM) unspecified ~ 6.2.4-25553 -

II. Public POCs for CVE-2021-33182

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III. Intelligence Information for CVE-2021-33182

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Vendor Advisories for CVE-2021-33182 (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-2021-33184 7.7 HIGH Synology Download Station 代码问题漏洞
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

IV. Related Vulnerabilities

Same product: Synology DiskStation Manager (DSM)
Same vendor: Synology
Same weakness: CWE-22

V. Comments for CVE-2021-33182

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