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CVE-2022-27617

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是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.3.4-0631之前版本存在路径遍历漏洞，该漏洞源于对受限目录的路径名的不当限制，攻击者可以利用该漏洞通过未指定的向量下载任意文件。

CVSS 5.0 · Medium EPSS 0.91% · P58

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2022-27617

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to download arbitrary files via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Calendar 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Calendar是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.3.4-0631之前版本存在路径遍历漏洞，该漏洞源于对受限目录的路径名的不当限制，攻击者可以利用该漏洞通过未指定的向量下载任意文件。
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 Synology Calendar unspecified ~ 2.3.4-0631 -

II. Public POCs for CVE-2022-27617

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III. Intelligence Information for CVE-2022-27617

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Other References for CVE-2022-27617 (1)

Same Patch Batch · Synology · 2022-08-03 · 6 CVEs total

CVE-2022-27616 7.2 HIGH Synology DiskStation Manager 操作系统命令注入漏洞
CVE-2022-27618 6.8 MEDIUM Synology Storage Analyzer 路径遍历漏洞
CVE-2022-27619 6.8 MEDIUM Synology Note Station 安全漏洞
CVE-2022-27620 6.8 MEDIUM Synology SSO Server 路径遍历漏洞
CVE-2022-27621 5.5 MEDIUM Synology USB Copy 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Synology Calendar
Same vendor: Synology
Same weakness: CWE-22

V. Comments for CVE-2022-27617

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