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CVE-2017-15891

Quick assessment

Affected
Synology Synology Calendar
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 Calendar是群晖（Synology）公司的一款运行在Synology NAS设备上的文件保护程序。 Synology Calendar 2.0.1-0242之前的版本中的SYNO.Cal.EventBase存在访问控制错误漏洞。远程攻击者可利用该漏洞更改日历的事件。

AI Predicted 8.8 Difficulty: Easy EPSS 1.04% · P63
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I. Basic Information for CVE-2017-15891

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Calendar 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Calendar是群晖（Synology）公司的一款运行在Synology NAS设备上的文件保护程序。 Synology Calendar 2.0.1-0242之前的版本中的SYNO.Cal.EventBase存在访问控制错误漏洞。远程攻击者可利用该漏洞更改日历的事件。
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 Calendar before 2.0.1-0242 -

II. Public POCs for CVE-2017-15891

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III. Intelligence Information for CVE-2017-15891

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Other References for CVE-2017-15891 (1)

Same Patch Batch · Synology · 2017-12-08 · 4 CVEs total

CVE-2017-15893 Synology File Station 路径遍历漏洞
CVE-2017-15894 Synology DiskStation Manager 路径遍历漏洞
CVE-2017-15895 Synology Router Manager 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Synology Calendar
Same vendor: Synology
Same weakness: CWE-284

V. Comments for CVE-2017-15891

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