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CVE-2021-26280— Permission bypass vulnerability in permission manager module

Quick assessment

Affected
vivo Permission manager module
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.

vivo Permission manager module是中国vivo公司的一个手机权限管理模块。 vivo Permission manager module存在安全漏洞，该漏洞源于本地安装的应用可以绕过权限检查，执行需要权限的系统操作。

CVSS 7.9 · High EPSS 0.15% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-26280

Vulnerability Information
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Vulnerability Title
Permission bypass vulnerability in permission manager module
Source: CVE Program / CVE List V5
Vulnerability Description
Locally installed application can bypass the permission check and perform system operations that require permission.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
vivo Permission manager module 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vivo Permission manager module是中国vivo公司的一个手机权限管理模块。 vivo Permission manager module存在安全漏洞，该漏洞源于本地安装的应用可以绕过权限检查，执行需要权限的系统操作。
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
vivo Permission manager module Versions earlier than Android 10 -

II. Public POCs for CVE-2021-26280

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III. Intelligence Information for CVE-2021-26280

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Vendor Advisories for CVE-2021-26280 (1)

Same Patch Batch · vivo · 2024-12-17 · 6 CVEs total

CVE-2020-12487 7.0 HIGH Command Execution Vulnerability in ABE service
CVE-2020-12484 6.4 MEDIUM vivo Wifi Module 安全漏洞
CVE-2021-26278 6.3 MEDIUM Sensitive information leakage vulnerability in wifi module
CVE-2021-26279 5.9 MEDIUM Information disclosure vulnerability in Weather module
CVE-2021-26281 5.5 MEDIUM Information disclosure vulnerability in Alarm clock module

IV. Related Vulnerabilities

Same vendor: vivo
Same weakness: CWE-306

V. Comments for CVE-2021-26280

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