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CVE-2021-22877

Quick assessment

Affected
n/a 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 prior to 20.0.6 存在安全漏洞，该漏洞源于丢失的用户检查不经意地为其他用户的外部存储配置填充了用户自己的凭证。

AI Predicted 8.1 Difficulty: Trivial EPSS 1.69% · P76
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I. Basic Information for CVE-2021-22877

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 访问控制错误漏洞
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 prior to 20.0.6 存在安全漏洞，该漏洞源于丢失的用户检查不经意地为其他用户的外部存储配置填充了用户自己的凭证。
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
- Nextcloud Server Fixed in 20.0.6 -

II. Public POCs for CVE-2021-22877

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III. Intelligence Information for CVE-2021-22877

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Patches & Fixes for CVE-2021-22877 (1)

Mailing List Discussions for CVE-2021-22877 (1)

Other References for CVE-2021-22877 (3)

Same Patch Batch · n/a · 2021-03-03 · 36 CVEs total

CVE-2021-23347 4.7 MEDIUM Cross-site Scripting (XSS)
CVE-2020-28597 Epignosis EfrontPro 安全漏洞
CVE-2020-25647 grub2 缓冲区错误漏洞
CVE-2020-25632 grub2 资源管理错误漏洞
CVE-2021-20225 grub2 缓冲区错误漏洞
CVE-2021-20233 grub2 缓冲区错误漏洞
CVE-2020-29047 WordPress 代码问题漏洞
CVE-2021-22878 Nextcloud Server 跨站脚本漏洞
CVE-2020-8296 Nextcloud 安全漏洞
CVE-2021-21978 VMware View Planner 代码问题漏洞
CVE-2020-27749 grub2 缓冲区错误漏洞
CVE-2020-28591 Slic3r 缓冲区错误漏洞
CVE-2020-13558 WebKitGTK 资源管理错误漏洞
CVE-2021-22681 Rockwell Automation RSLogix 500 和 Logix Designer Studio 5000 安全漏洞
CVE-2021-27839 Online Invoicing System 注入漏洞
CVE-2021-27935 AdGuard 安全漏洞
CVE-2021-27931 LumisXP 代码问题漏洞
CVE-2021-27940 openark orchestrator 跨站脚本漏洞
CVE-2021-22666 FATEK FvDesigner 缓冲区错误漏洞
CVE-2021-27923 Pillow 输入验证错误漏洞

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Nextcloud Server
Same vendor: n/a
Same weakness: CWE-284

V. Comments for CVE-2021-22877

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