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CVE-2021-22906

Quick assessment

Affected
n/a Nextcloud End-to-End Encryption
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 End-to-End Encryption存在资源管理错误漏洞，该漏洞源于访问限制不当。该漏洞允许远程攻击者未经授权访问其他受限功能。以下产品和版本受到影响：Nextcloud End-to-End Encryption：1.5.0、1.5.2、1.6.1、1.6.2、1.7.0。

AI Predicted 5.3 Difficulty: Easy EPSS 0.72% · P52
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I. Basic Information for CVE-2021-22906

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 资源管理错误漏洞
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 End-to-End Encryption存在资源管理错误漏洞，该漏洞源于访问限制不当。该漏洞允许远程攻击者未经授权访问其他受限功能。以下产品和版本受到影响：Nextcloud End-to-End Encryption：1.5.0、1.5.2、1.6.1、1.6.2、1.7.0。
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
- Nextcloud End-to-End Encryption Fixed in 1.5.3, 1.6.3, 1.7.1 -

II. Public POCs for CVE-2021-22906

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III. Intelligence Information for CVE-2021-22906

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Vendor Advisories for CVE-2021-22906 (1)

Other References for CVE-2021-22906 (1)

Same Patch Batch · n/a · 2021-06-11 · 79 CVEs total

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CVE-2019-9475 Google Android 安全漏洞
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CVE-2021-0476 Google Android 资源管理错误漏洞
CVE-2021-0481 Google Android 输入验证错误漏洞
CVE-2021-0482 Google Android 资源管理错误漏洞
CVE-2021-0484 Google Android 信息泄露漏洞
CVE-2021-22915 Nextcloud server 处理逻辑错误漏洞

Showing top 20 of 79 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2021-22906

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