Privilege escalation in Splashtop Streamer
CVE-2024-42050
The MSI installer for Splashtop Streamer for Windows before 3.7.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM via an oplock on CredProvider_Inst.reg.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/SpacePlant/Vulns/blob/main/Advisories/2024/4.md (Third Party Advisory)
- support-splashtopbusiness.splashtop.com/hc/en-us/articles/25584410412571--Splas… (Release Notes)
Frequently asked questions
- What is CVE-2024-42050?
- CVE-2024-42050 is a high-severity vulnerability in Splashtop Streamer, classified under Improper Privilege Management. CVSS score: 7.0/10. Published 2024-07-28.
- How severe is CVE-2024-42050?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2024-42050 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.