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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (7.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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.