Vulnerability in Desktime Time Tracking App
CVE-2025-10539
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (7.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- 551230f0-3615-47bd-b7cc-93e92e730bbf (Third Party Advisory, third-party-advisory)
- 551230f0-3615-47bd-b7cc-93e92e730bbf (Product, patch)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-10539?
- CVE-2025-10539 is a medium-severity vulnerability in Desktime Time Tracking App, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2026-04-28.
- How severe is CVE-2025-10539?
- Medium severity. CVSS v3 base score is 4.8 out of 10.