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CVE-2020-12431

MEDIUM
6.6
CVSS Score
Published: May 21, 2020 at 04:16 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
2 products affected across 1 vendorStreamerSoftware Updater

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.5%

Description

A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Software Updater· Splashtop
95%
v < 1.5.6.16
Affected range stops below 1.5.6.16, so it looks safe — our inference, not a vendor statement
Streamer· Splashtop
95%
v < 3.3.8.0
Affected range stops below 3.3.8.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://improsec.com/tech-blog/privilege-escalation-vulnerability-in-splashtop-streamer
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/360042648231-Splashtop-Streamer-version-3-3-8-0-for-Windows-released-includes-SOS-version-3-3-8-0

CVSS

6.6MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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