CVE-2017-20226
HIGH EPSS 4.6%
Published Mar 28, 20263mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 4.0
Published Mar 28, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
Description
Mapscrn 2.0.3 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized input buffer. Attackers can craft a malicious buffer with junk data, return address, NOP instructions, and shellcode to overflow the stack and achieve code execution or denial of service.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
4.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
References 3
- ccross.msk.su http://ccross.msk.su
- exploit-db.com https://www.exploit-db.com/exploits/42144
- vulncheck.com https://www.vulncheck.com/advisories/mapscrn-stack-based-buffer-overflow
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.