CVE-2025-10539
Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App
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.
INFO
Published Date :
April 28, 2026, 9:16 a.m.
Last Modified :
May 18, 2026, 6:21 p.m.
Remotely Exploit :
Yes !
Source :
551230f0-3615-47bd-b7cc-93e92e730bbf
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update DeskTime Time Tracking App to version 1.3.674 or later.
- Ensure TLS certificate validation is properly configured.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-10539.
| URL | Resource |
|---|---|
| https://desktime.com/download | Product |
| https://r.sec-consult.com/desktime | Third Party Advisory |
| http://seclists.org/fulldisclosure/2026/Apr/20 | Exploit Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2026/Apr/21 | Exploit Mailing List Third Party Advisory |
| https://sec-consult.com/vulnerability-lab/advisory/missing-tls-certificate-validation-leading-to-rce-in-desktime-time-tracking-app/ | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-10539 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-10539
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-10539 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-10539 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 18, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:draugiemgroup:desktime_time_tracking:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.674 Added Reference Type CVE: http://seclists.org/fulldisclosure/2026/Apr/20 Types: Exploit, Mailing List, Third Party Advisory Added Reference Type CVE: http://seclists.org/fulldisclosure/2026/Apr/21 Types: Exploit, Mailing List, Third Party Advisory Added Reference Type SEC Consult Vulnerability Lab: https://desktime.com/download Types: Product Added Reference Type SEC Consult Vulnerability Lab: https://r.sec-consult.com/desktime Types: Third Party Advisory Added Reference Type CISA-ADP: https://sec-consult.com/vulnerability-lab/advisory/missing-tls-certificate-validation-leading-to-rce-in-desktime-time-tracking-app/ Types: Third Party Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Apr. 29, 2026
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2026/Apr/20 Added Reference http://seclists.org/fulldisclosure/2026/Apr/21 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Added Reference https://sec-consult.com/vulnerability-lab/advisory/missing-tls-certificate-validation-leading-to-rce-in-desktime-time-tracking-app/ -
New CVE Received by 551230f0-3615-47bd-b7cc-93e92e730bbf
Apr. 28, 2026
Action Type Old Value New Value 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. Added CWE CWE-295 Added CWE CWE-296 Added CWE CWE-494 Added Reference https://desktime.com/download Added Reference https://r.sec-consult.com/desktime