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CVE-2023-52947

Quick assessment

Affected
Synology Synology Active Backup for Business Agent
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 Active Backup for Business Agent是中国群晖科技（Synology）公司的一个备份程序。 Synology Active Backup for Business Agent 2.6.3-3101之前版本存在访问控制错误漏洞，该漏洞源于缺少关键功能身份验证漏洞，允许本地用户通过未指定的向量注销客户端。

CVSS 4.0 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-52947

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Active Backup for Business Agent 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Active Backup for Business Agent是中国群晖科技（Synology）公司的一个备份程序。 Synology Active Backup for Business Agent 2.6.3-3101之前版本存在访问控制错误漏洞，该漏洞源于缺少关键功能身份验证漏洞，允许本地用户通过未指定的向量注销客户端。
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 Active Backup for Business Agent * ~ 2.7.0-3221 -

II. Public POCs for CVE-2023-52947

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III. Intelligence Information for CVE-2023-52947

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Vendor Advisories for CVE-2023-52947 (1)

Same Patch Batch · Synology · 2024-09-26 · 10 CVEs total

CVE-2023-52946 8.2 HIGH Synology Drive 安全漏洞
CVE-2022-49038 7.8 HIGH Synology Drive 安全漏洞
CVE-2022-49039 6.7 MEDIUM Synology Drive 安全漏洞
CVE-2022-49037 6.5 MEDIUM Synology Drive 日志信息泄露漏洞
CVE-2023-52949 5.5 MEDIUM Synology Active Backup for Business Agent 访问控制错误漏洞
CVE-2023-52950 5.3 MEDIUM Synology Active Backup for Business Agent 安全漏洞
CVE-2023-52948 5.0 MEDIUM Synology Active Backup for Business Agent 安全漏洞
CVE-2022-49040 4.4 MEDIUM Synology Drive 安全漏洞
CVE-2022-49041 4.4 MEDIUM 多款产品安全漏洞

IV. Related Vulnerabilities

Same product: Synology Active Backup for Business Agent
Same vendor: Synology
Same weakness: CWE-306

V. Comments for CVE-2023-52947

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