What is CVE-2023-40829?

CVE-2023-40829 is a high-severity vulnerability in Tencent Enterprise Wechat Privatization, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-10-12.

How severe is CVE-2023-40829?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Tencent Enterprise Wechat Privatization

CVE-2023-40829

There is an interface unauthorized access vulnerability in the background of Tencent Enterprise Wechat Privatization 2.5.x and 2.6.930000.

Vulnerability class: Broken Access Control

Published 2023-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Tencent Enterprise Wechat Privatization — versions 2.5.0, 2.6.930000

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

gist.github.com/wwwziziyu/85bdf8d56b415974c4827a5668f493e9 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-40829?: CVE-2023-40829 is a high-severity vulnerability in Tencent Enterprise Wechat Privatization, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-10-12.
How severe is CVE-2023-40829?: High severity. CVSS v3 base score is 7.5 out of 10.