CVE-2025-10539

Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App

Published Apr 28, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client.

Remediation

Vendor Solution

The vendor provides a patched version v1.3.674 which can be obtained from: https://desktime.com/download

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Draugiemgroup
Draugiemgroup desktime Time Tracking
CPEs cpe:2.3:a:draugiemgroup:desktime_time_tracking:*:*:*:*:*:*:*:*
Vendors & Products Draugiemgroup
Draugiemgroup desktime Time Tracking
Type Values Removed Values Added
First Time appeared Desktime
Desktime desktime Time Tracking App
Vendors & Products Desktime
Desktime desktime Time Tracking App
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client.
Title Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App
Weaknesses CWE-295
CWE-296
CWE-494
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
SEC-VLab
Published
Updated
Apr 29, 2026, 7:32 PM
Reserved
Sep 16, 2025, 7:39 AM
Status
Analyzed
Published
Apr 28, 2026, 9:16 AM
Modified
Oct 7, 2026, 9:10 AM