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CVE-2021-21286— Authorization Bypass in AVideo Platform

Quick assessment

Affected
WWBN AVideo
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.

Wwbn Avideo是Wwbn（WWBN）团队的一个由PHP编写的视频平台建站系统。 AVideo Platform 存在权限许可和访问控制问题漏洞，该漏洞源于一个授权绕过漏洞，可以让普通用户获得管理控制权。

CVSS 7.7 · High EPSS 0.77% · P55

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-21286

Vulnerability Information
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Vulnerability Title
Authorization Bypass in AVideo Platform
Source: CVE Program / CVE List V5
Vulnerability Description
AVideo Platform is an open-source Audio and Video platform. It is similar to a self-hosted YouTube. In AVideo Platform before version 10.2 there is an authorization bypass vulnerability which enables an ordinary user to get admin control. This is fixed in version 10.2. All queries now remove the pass hash and the recoverPass hash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Wwbn Avideo 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wwbn Avideo是Wwbn（WWBN）团队的一个由PHP编写的视频平台建站系统。 AVideo Platform 存在权限许可和访问控制问题漏洞，该漏洞源于一个授权绕过漏洞，可以让普通用户获得管理控制权。
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
WWBN AVideo < 10.2 -

II. Public POCs for CVE-2021-21286

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III. Intelligence Information for CVE-2021-21286

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Vendor Advisories for CVE-2021-21286 (1)

Other References for CVE-2021-21286 (1)

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-863

V. Comments for CVE-2021-21286

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