Vulnerability vector:
Base vulnerability score (CVSSv4.0): CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Severity (CVSSv4.0): 8.6 (High)
Description:
The vulnerability was identified in FreeScout, versions v.1.8.173 and 1.8.174.
The discovered vulnerability allows an attacker to execute arbitrary code on the server because the application performs insufficient validation of user‑supplied data during deserialization.
Vulnerability status: Confirmed by vendor
Date of vulnerability remediation: 16.05.2025
Recommendations:
Additional information: Security advisory
Researcher: Ilya Tsaturov, Daniil Satyaev, Roman Cheremnykh, Artem Deikov, Artem Danilov, Stanislav Gleym (Positive Technologies)