Description

The MSI installer for Splashtop Streamer for Windows before 3.5.8.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM by placing a wevtutil.exe file in the folder.

Classification

CVE ID: CVE-2024-42052

CVSS Base Severity: HIGH

CVSS Base Score: 7.8

CVSS Vector: CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N

Affected Products

Vendor: n/a

Product: n/a

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.45% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-42052
https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/1.md
https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/15813655496603-Splashtop-Streamer-version-v3-5-8-0-for-Windows-released

Timeline