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CVE-2020-8227

Quick assessment

Affected
n/a Desktop Client
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。Nextcloud Desktop Client是一款用于Nextcloud的桌面客户端应用程序。 Nextcloud Desktop Client 2.6.4 for Linux 存在安全漏洞，该漏洞源于缺少对服务器响应的清理，允许恶意的Nextcloud服务器将文件存储在专用同步目录之外。

AI Predicted 7.5 Difficulty: Easy EPSS 25.77% · P98
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I. Basic Information for CVE-2020-8227

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Nextcloud 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。Nextcloud Desktop Client是一款用于Nextcloud的桌面客户端应用程序。 Nextcloud Desktop Client 2.6.4 for Linux 存在安全漏洞，该漏洞源于缺少对服务器响应的清理，允许恶意的Nextcloud服务器将文件存储在专用同步目录之外。
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
- Desktop Client 2.6.5 -

II. Public POCs for CVE-2020-8227

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III. Intelligence Information for CVE-2020-8227

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Vendor Advisories for CVE-2020-8227 (1)

Other References for CVE-2020-8227 (2)

Same Patch Batch · n/a · 2020-08-21 · 48 CVEs total

CVE-2020-24589 9.1 CRITICAL WSO2 API Manager 安全漏洞
CVE-2020-24590 9.1 CRITICAL WSO2 API Manager 安全漏洞
CVE-2019-11857 9.1 CRITICAL ALEOS AceManager Information Disclosure
CVE-2019-11862 8.1 HIGH ALEOS SSH Service Allows Traffic Proxying
CVE-2020-7710 8.1 HIGH Sandbox Escape
CVE-2019-11855 8.1 HIGH ALEOS LAN-Side RPC Server
CVE-2019-11847 7.3 HIGH ALEOS User Root Shell Escalation
CVE-2020-24591 6.5 MEDIUM WSO2 多款产品代码问题漏洞
CVE-2019-11849 6.3 MEDIUM ALEOS AT API Stack Overflow
CVE-2019-11850 6.3 MEDIUM ALEOS AT Command Stack Overflow
CVE-2020-15858 6.2 MEDIUM Thales DIS 路径遍历漏洞
CVE-2019-11859 6.0 MEDIUM ALEOS SMS Handler Buffer Overflow
CVE-2019-11858 5.7 MEDIUM ALEOS Multiple Web UI vulnerabilities
CVE-2019-11848 4.1 MEDIUM ALEOS AT Command API Abuse
CVE-2019-11853 3.9 LOW ALEOS AT Command Injections
CVE-2019-11852 3.7 LOW ALEOS ACEView Service Out-Of-Bounds Read
CVE-2019-11856 3.3 LOW ALEOS ACEView Message Replay
CVE-2020-20633 WordPress 跨站脚本漏洞
CVE-2020-5775 Canvas LMS 代码问题漏洞
CVE-2020-20634 Elementor WordPress 安全漏洞

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Desktop Client
Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2020-8227

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