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CVE-2023-52951

Quick assessment

Affected
Synology Synology Note Station Client
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 Note Station Client是中国群晖（Synology）公司的一款支持笔记同步、知识管理和离线编辑的桌面笔记应用程序。 Synology Note Station Client 2.2.4-703之前版本存在安全漏洞，该漏洞源于明文传输敏感信息，可能导致中间人攻击者获取用户凭据。

CVSS 5.9 · Medium EPSS 0.13% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
Synology Synology Note Station Client *< 2.2.4-703 affected
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I. Basic Information for CVE-2023-52951

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A cleartext transmission of sensitive information vulnerability in Synology Note Station Client before 2.2.4-703 allows man-in-the-middle attackers to obtain user credential.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Note Station Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Note Station Client是中国群晖（Synology）公司的一款支持笔记同步、知识管理和离线编辑的桌面笔记应用程序。 Synology Note Station Client 2.2.4-703之前版本存在安全漏洞，该漏洞源于明文传输敏感信息，可能导致中间人攻击者获取用户凭据。
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 Note Station Client * ~ 2.2.4-703 -

II. Public POCs for CVE-2023-52951

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III. Intelligence Information for CVE-2023-52951

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Vendor Pages for CVE-2023-52951 (1)

Same Patch Batch · Synology · 2026-06-03 · 5 CVEs total

CVE-2022-49036 7.8 HIGH Synology Active Backup for Business Recovery Media Creator 安全漏洞
CVE-2022-49042 7.8 HIGH Synology Hyper Backup Explorer 安全漏洞
CVE-2024-47273 4.3 MEDIUM Synology Hyper Backup 路径遍历漏洞
CVE-2024-47263 4.1 MEDIUM Synology Hyper Backup 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Synology Note Station Client
Same vendor: Synology
Same weakness: CWE-319

V. Comments for CVE-2023-52951

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