CVE-2021-40180
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.42% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- tencent/wechat
- Source
- cve@mitre.org
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://arxiv.org/pdf/2205.15202.pdfMitigation, Technical Description, Third Party Advisory
- https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permission%20vulnerability%20report.pdfExploit, Third Party Advisory
- https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvAExploit, Permissions Required, Third Party Advisory
- https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDwExploit, Permissions Required, Third Party Advisory
- https://arxiv.org/pdf/2205.15202.pdfMitigation, Technical Description, Third Party Advisory
- https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permission%20vulnerability%20report.pdfExploit, Third Party Advisory
- https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvAExploit, Permissions Required, Third Party Advisory
- https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDwExploit, Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.