CVE-2021-29087
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I. Basic Information for CVE-2021-29087
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to write arbitrary files via unspecified vectors.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
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 (DSM)存在安全漏洞，该漏洞允许远程攻击者可利用该漏洞通过未指定的向量写任意文件。
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 | DiskStation Manager (DSM) | unspecified ~ 6.2.3-25426-3 | - |
II. Public POCs for CVE-2021-29087
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.synology.com/security/advisory/Synology_SA_20_26x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-29087
Same Patch Batch · Synology · 2021-06-23 · 5 CVEs total
| CVE-2021-27649 | 9.8 CRITICAL | Synology DiskStation Manager 资源管理错误漏洞 |
| CVE-2021-29085 | 8.6 HIGH | Synology DiskStation Manager 注入漏洞 |
| CVE-2021-29084 | 7.5 HIGH | Synology DiskStation DS418play 注入漏洞 |
| CVE-2021-29086 | 5.3 MEDIUM | Synology DiskStation Manager 信息泄露漏洞 |
IV. Related Vulnerabilities
Same product: DiskStation Manager (DSM)
- CVE-2024-5401
Synology DiskStation Manager和Synology Unified Controller 安全漏 - CVE-2024-45539
Synology DiskStation Manager和Synology Unified Controller 缓冲区 - CVE-2024-45538
Synology DiskStation Manager和Synology Unified Controller 跨站请 - CVE-2025-1021
Synology DiskStation Manager 安全漏洞 - CVE-2024-50629
Synology DiskStation Manager（DSM）和Synology BeeStation Manage
Same weakness: CWE-22
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