CVE-2022-27615
Quick assessment
Affected
Synology DNS Server
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 DNS Server是中国Synology公司的一款 DNS 服务器。 Synology DNS Server 2.2.2-5027之前版本存在路径遍历漏洞，该漏洞源于cgi 组件中对受限目录的路径名（路径遍历）的不当限制，远程攻击者利用该漏洞可以通过未指定的向量删除任意文件。
Possible ATT&CK Techniques 3 AI
T1083 · File and Directory Discovery T1105 · Ingress Tool Transfer T1070.003 · Clear Command History
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I. Basic Information for CVE-2022-27615
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 cgi component in Synology DNS Server before 2.2.2-5027 allows remote authenticated users to delete 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:N/I:N/A:H
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 DNS Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology DNS Server是中国Synology公司的一款 DNS 服务器。 Synology DNS Server 2.2.2-5027之前版本存在路径遍历漏洞，该漏洞源于cgi 组件中对受限目录的路径名（路径遍历）的不当限制，远程攻击者利用该漏洞可以通过未指定的向量删除任意文件。
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 | DNS Server | unspecified ~ 2.2.2-5027 | - |
|
II. Public POCs for CVE-2022-27615
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-27615 (1)
-
https://www.synology.com/security/advisory/Synology_SA_20_27 x_refsource_CONFIRM
Same Patch Batch · Synology · 2022-07-28 · 8 CVEs total
| CVE-2022-22683 | 10.0 CRITICAL | Synology Media Server 安全漏洞 |
| CVE-2022-22685 | 8.7 HIGH | Synology WebDAV Server 路径遍历漏洞 |
| CVE-2022-27613 | 8.3 HIGH | Synology CardDAV Server SQL注入漏洞 |
| CVE-2022-27612 | 7.3 HIGH | Synology Audio Station 安全漏洞 |
| CVE-2022-22684 | 7.2 HIGH | Synology DiskStation Manager 操作系统命令注入漏洞 |
| CVE-2022-27611 | 5.4 MEDIUM | Synology Audio Station 路径遍历漏洞 |
| CVE-2022-27614 | 5.3 MEDIUM | Synology Media Server 信息泄露漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-22
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CVE-2014-125130
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CVE-2026-104853
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CVE-2026-103648
Improper Limitation of a Pathname to a Restricted Directory
V. Comments for CVE-2022-27615
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