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CVE-2021-32620— Users registered with email verification can self re-activate their disabled accounts

Quick assessment

Affected
xwiki xwiki-platform
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.

Thomas Mortagne xwiki-platform是Thomas Mortagne开源的一个应用程序。一个通用的Wiki平台，为基于其构建的应用程序提供运行时服务。 xwiki-platform 存在授权问题漏洞，该漏洞源于使用电子邮件验证进行注册在维基上被禁用的用户可以使用为其注册提供的激活链接重新激活自己。

CVSS 8.8 · High EPSS 1.13% · P67

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
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I. Basic Information for CVE-2021-32620

Vulnerability Information
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Vulnerability Title
Users registered with email verification can self re-activate their disabled accounts
Source: CVE Program / CVE List V5
Vulnerability Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 11.10.13, 12.6.7, and 12.10.2, a user disabled on a wiki using email verification for registration canouldre-activate themself by using the activation link provided for his registration. The problem has been patched in the following versions of XWiki: 11.10.13, 12.6.7, 12.10.2, 13.0. It is possible to workaround the issue by resetting the `validkey` property of the disabled XWiki users. This can be done by editing the user profile with object editor.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
xwiki-platform 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Thomas Mortagne xwiki-platform是Thomas Mortagne开源的一个应用程序。一个通用的Wiki平台，为基于其构建的应用程序提供运行时服务。 xwiki-platform 存在授权问题漏洞，该漏洞源于使用电子邮件验证进行注册在维基上被禁用的用户可以使用为其注册提供的激活链接重新激活自己。
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
xwiki xwiki-platform < 11.10.13 -

II. Public POCs for CVE-2021-32620

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III. Intelligence Information for CVE-2021-32620

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Patches & Fixes for CVE-2021-32620 (1)

Vendor Advisories for CVE-2021-32620 (1)

Other References for CVE-2021-32620 (1)

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-285