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CVE-2018-3775

Quick assessment

Affected
HackerOne Nextcloud 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.

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 Server是其中的一个服务器版。 Nextcloud Server 12.0.3之前版本中存在授权问题漏洞。攻击者可利用该漏洞获取用户凭证，绕过双因子身份验证。

AI Predicted 9.1 Difficulty: Trivial EPSS 1.23% · P68
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I. Basic Information for CVE-2018-3775

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypass the 2 Factor Authentication.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Server 授权问题漏洞
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 Server是其中的一个服务器版。 Nextcloud Server 12.0.3之前版本中存在授权问题漏洞。攻击者可利用该漏洞获取用户凭证，绕过双因子身份验证。
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
HackerOne Nextcloud Server <12.0.3 -

II. Public POCs for CVE-2018-3775

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III. Intelligence Information for CVE-2018-3775

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Other References for CVE-2018-3775 (2)

Same Patch Batch · HackerOne · 2018-08-12 · 3 CVEs total

CVE-2018-3774 url-parse 安全漏洞
CVE-2018-3776 Nextcloud Server 输入验证漏洞

IV. Related Vulnerabilities

Same product: Nextcloud Server
Same vendor: HackerOne
Same weakness: CWE-287

V. Comments for CVE-2018-3775

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