CVE-2024-42051

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-28 · updated 2026-06-17
Weakness: CWE-1391

Description

The MSI installer for Splashtop Streamer for Windows before 3.6.2.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM by replacing InstRegExp.reg.

Affected products

Splashtop Streamer: before 3.6.2.0 — fixed in 3.6.2.0

How to fix

Upgrade to a fixed version: Splashtop Streamer 3.6.2.0. Check the vendor advisory for mitigations.

References

https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/3.md
https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/20716875636763-Splashtop-Streamer-version-v3-6-2-0-for-Windows-released
https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/3.md
https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/20716875636763-Splashtop-Streamer-version-v3-6-2-0-for-Windows-released

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