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CVE-2021-43929

Quick assessment

Affected
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 中存在跨站脚本漏洞，该漏洞源于产品的下游组件未对输入数据中的特殊字符做安全过滤。以下产品及版本受到影响：Synology DiskStation Manager 7.0.1-42218-2 之前版本。

CVSS 6.5 · Medium EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43929

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in work flow management in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Synology DiskStation Manager 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology DiskStation Manager（DSM）是中国群晖科技（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 中存在跨站脚本漏洞，该漏洞源于产品的下游组件未对输入数据中的特殊字符做安全过滤。以下产品及版本受到影响：Synology DiskStation Manager 7.0.1-42218-2 之前版本。
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 ~ 7.0.1-42218-2 -

II. Public POCs for CVE-2021-43929

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III. Intelligence Information for CVE-2021-43929

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Other References for CVE-2021-43929 (1)

Same Patch Batch · Synology · 2022-02-07 · 7 CVEs total

CVE-2021-43928 9.9 CRITICAL Synology DiskStation Manager 操作系统命令注入漏洞
CVE-2022-22679 6.5 MEDIUM Synology DiskStation Manager 路径遍历漏洞
CVE-2022-22680 5.3 MEDIUM Synology DiskStation Manager 信息泄露漏洞
CVE-2021-43927 4.7 MEDIUM Synology DiskStation Manager SQL注入漏洞
CVE-2021-43926 4.7 MEDIUM Synology DiskStation Manager SQL注入漏洞
CVE-2021-43925 4.7 MEDIUM Synology DiskStation Manager SQL注入漏洞

IV. Related Vulnerabilities

Same product: DiskStation Manager (DSM)
Same vendor: Synology
Same weakness: CWE-74

V. Comments for CVE-2021-43929

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