7.5

CVE-2021-40180: tencent wechat

Modified
Published 26-07-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-40180 is a high (CVSS 7.5) vulnerability in tencent wechat. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.8% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.42%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3github, reference

Timeline

  1. 26-07-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.42%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

Increase +0.04 pp

From 1.38% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

3 found
  • githubUnverified

    Vulnerabilities Related To Mini Programs Permissions

    Maturity: poc

  • referenceUnverified

    Exploit Reference (pan.baidu.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (pan.baidu.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Tencent1 product

1 vendor · 1 product

References

4 links