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Vulnerability DatabaseCVE-2021-40180

CVE-2021-40180: 
Tencent WeChat vulnerability analysis and mitigation

Overview

In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.searchContacts functionality. This vulnerability was disclosed on July 26, 2022 and assigned identifier CVE-2021-40180 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3 Base Score of 7.5 (High severity). The attack vector is Network-based, requires no privileges or user interaction, and has an unchanged scope. The vulnerability primarily impacts confidentiality, with no impact on integrity or availability (AttackerKB).

Impact

The vulnerability allows unauthorized access to sensitive contact information from a user's address book. This represents a significant privacy breach as malicious mini programs could potentially harvest users' contact data without proper authorization (NVD).

Additional resources

Source: This report was generated using AI

Related Tencent WeChat vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2024-40433HIGH8.8
  • Tencent WeChatTencent WeChat
  • wechat
NoNoJul 26, 2024
CVE-2020-27874HIGH8.8
  • Tencent WeChatTencent WeChat
  • wechat
NoNoFeb 10, 2021
CVE-2021-40180HIGH7.5
  • Tencent WeChatTencent WeChat
  • wechat
NoNoJul 26, 2022
CVE-2021-27247MEDIUM6.5
  • Tencent WeChatTencent WeChat
  • cpe:2.3:a:tencent:wechat
NoNoApr 14, 2021
CVE-2019-17151MEDIUM5.4
  • Tencent WeChatTencent WeChat
  • cpe:2.3:a:tencent:wechat
NoYesJan 07, 2020

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