Sensitive Data Exposure in WeChat Application for Android and iOS
CVE-2021-40180

7.5HIGH

Key Information:

Vendor

Tencent

Status
Wechat
Vendor
CVE Published:
26 July 2022

What is CVE-2021-40180?

In the WeChat application version 8.0.10, both for Android and iOS, a vulnerability exists that allows mini programs to exploit the wx.searchContacts function. This flaw can lead to unauthorized access to sensitive user data, specifically information stored in the user's address book. As a result, attackers may gain insights into personal contacts without the user's consent, highlighting potential threats to user privacy and data security.

References

https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDw
x_refsource_MISC
https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvA
x_refsource_MISC
https://arxiv.org/pdf/2205.15202.pdf
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.