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Vulnerability record · CVE-2021-40180 · published 26 July 2022

CVE-2021-40180: Tencent wechat information exposure vulnerability

Tencent · Wechat

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.

7.5 CVSS 3.1 High EPSS 1.4% · top 29.0% CWE-200 · Information exposure
7.5CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://arxiv.org/pdf/2205.15202.pdf MitigationTechnical DescriptionThird Party Advisory
https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permi ExploitThird Party Advisory
https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvA ExploitPermissions RequiredThird Party Advisory
https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDw ExploitPermissions RequiredThird Party Advisory
https://arxiv.org/pdf/2205.15202.pdf MitigationTechnical DescriptionThird Party Advisory
https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permi ExploitThird Party Advisory
https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvA ExploitPermissions RequiredThird Party Advisory
https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDw ExploitPermissions RequiredThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-40180), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.