CVE-2025-10539 (GCVE-0-2025-10539)

Vulnerability from cvelistv5 – Published: 2026-04-28 07:52 – Updated: 2026-04-29 19:32
VLAI?
Title
Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App
Summary
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.
Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-295 - Improper certificate validation
  • CWE-296 - Improper following of a certificate's chain of trust
  • CWE-494 - Download of code without integrity check
Assigner
References
Impacted products
Vendor Product Version
DeskTime DeskTime Time Tracking App Affected: 0 , < 1.3.674 (semver)
Create a notification for this product.
Credits
Daniel Hirschberger, SEC Consult Vulnerability Lab Thorger Jansen, SEC Consult Vulnerability Lab Tobias Niemann, SEC Consult Vulnerability Lab Marius Renner, SEC Consult Vulnerability Lab
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.