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CVE-2016-20039

HIGH CVSS 4.0: 8.6 EPSS 0.02%
Updated Mar 30, 2026
Multi Emulator
Parameter Value
CVSS 8.6 (HIGH)
Type CWE-787 (Out-of-bounds Write)
Vendor Multi Emulator
Public PoC Yes

Multi Emulator Super System 0.154-3.1 contains a buffer overflow vulnerability in the gamma parameter handling that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized gamma parameter value to overflow the stack buffer and overwrite the instruction pointer with a controlled address to achieve code execution.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)