CVE-2025-56230

Tencent Docs Desktop 3.9.20 and earlier suffers from Missing SSL Certificate Validation in the update component

High · published November 4, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
13.2
In the wild
Unconfirmed
What it is

⚡ Missing SSL certificate validation in Tencent Docs Desktop could leave your data exposed like an open book! 📖 Think of it as a restaurant that serves food without checking the suppliers — you could end up with a surprise ingredient that’s best left off the menu! 🍽️ An attacker could intercept your connection and deliver malicious updates, potentially leading to data breaches or system compromise. This could mean your sensitive documents end up in the wrong hands or your system gets taken over completely!

Put simply

Think of it as a restaurant that serves food without checking the suppliers — you could end up with a surprise ingredient that’s best left off the menu! 🍽️ This vulnerability arises in versions of Tencent Docs Desktop 3.9.20 and earlier, where the update component fails to properly validate SSL certificates, making it susceptible to man-in-the-middle attacks.

What to do

An attacker could intercept your connection and deliver malicious updates, potentially leading to data breaches or system compromise. This could mean your sensitive documents end up in the wrong hands or your system gets taken over completely! Update Tencent Docs Desktop to version 3.9.21 or later immediately to ensure certificate validation is enforced. Additionally, review network configurations to enhance security and monitor for any unusual activities. You've got this! Secure your documents and protect your data with this quick update! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00231 · 13.2th percentile
Published
2025-11-04T00:00Z
EPSS history
Timeline
  • 04 NOV 00:00Z
    Tencent Docs Desktop 3.9.20 and earlier suffers from Missing SSL Certificate Validation in the update component
    cvelistv5