Stack-Based Buffer Overflow in Mapscrn by Unspecified Vendor
CVE-2017-20226

8.6HIGH

Key Information:

Vendor

Msk

Status
Mapscrn
Vendor
CVE Published:
28 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2017-20226?

The Mapscrn 2.0.3 version is vulnerable to a stack-based buffer overflow, enabling local attackers to manipulate the stack and execute arbitrary code. By providing an oversized input buffer, attackers can introduce malicious data including junk values, an incorrect return address, NOP sleds, and shellcode. This vulnerability creates a potential risk for unauthorized command execution or service disruption. Immediate protective measures should be implemented to mitigate against possible exploit attempts.

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Affected Version(s)

Mapscrn 2.03

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2017-20226 - Proof of Concept

References

https://www.exploit-db.com/exploits/42144
exploit
http://ccross.msk.su
product
https://www.vulncheck.com/advisories/mapscrn-stack-based-...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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