CVE-2017-20226Mapscrn 2.0.3 Stack-Based Buffer Overflow
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No exploitation reported and no EPSS estimate yet.
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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
- 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Mar 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
msk Mapscrn msk:mapscrn (from the name) | 2.03 | CNA record |
References
- https://www.exploit-db.com/exploits/42144exploit
- http://ccross.msk.suproduct
- https://www.vulncheck.com/advisories/mapscrn-stack-based-buffer-overflowthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.