What’s Vulnerable › Vulnerabilities

CVE-2017-20226: Mapscrn 2.0.3 Stack-Based Buffer Overflow

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-28 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• msk Mapscrn: 2.03

References

• http://ccross.msk.su
• https://www.exploit-db.com/exploits/42144
• https://www.vulncheck.com/advisories/mapscrn-stack-based-buffer-overflow

Get alerted when CVE-2017-20226 or the next vulnerability affects your stack