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CVE-2021-29452— Any logged in user could edit any other logged in user.

Quick assessment

Affected
curveball a12n-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.

npm a12n-server是美国npm公司的一个应用软件。提供一个简单的身份验证系统。 a12n-server 存在安全漏洞，该漏洞允许任何登录用户进行更改。

CVSS 8.1 · High EPSS 0.78% · P54

Possible ATT&CK Techniques 1 AI

T0002
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I. Basic Information for CVE-2021-29452

Vulnerability Information
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Vulnerability Title
Any logged in user could edit any other logged in user.
Source: CVE Program / CVE List V5
Vulnerability Description
a12n-server is an npm package which aims to provide a simple authentication system. A new HAL-Form was added to allow editing users in version 0.18.0. This feature should only have been accessible to admins. Unfortunately, privileges were incorrectly checked allowing any logged in user to make this change. Patched in v0.18.2.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
npm a12n-server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
npm a12n-server是美国npm公司的一个应用软件。提供一个简单的身份验证系统。 a12n-server 存在安全漏洞，该漏洞允许任何登录用户进行更改。
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
curveball a12n-server >= 0.18 < 0.18.2 -

II. Public POCs for CVE-2021-29452

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III. Intelligence Information for CVE-2021-29452

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Vendor Advisories for CVE-2021-29452 (1)

Other References for CVE-2021-29452 (1)

IV. Related Vulnerabilities

Same weakness: CWE-269

V. Comments for CVE-2021-29452

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