Upwork Time Tracker 5.2.2.716 doesn't verify the SHA256 hash of the downloaded program update before running it, which could lead to code execution or local privilege escalation by replacing the original update.exe.
https://vuldb.com/?id.138406
https://support.upwork.com/hc/en-us/categories/360001180954
Source: Mitre, NVD
Published: 2019-07-23
Updated: 2026-06-17
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00078