CVE-2021-47881 (GCVE-0-2021-47881)
Vulnerability from cvelistv5 – Published: 2026-01-23 16:47 – Updated: 2026-01-23 19:25
VLAI
EPSS
VEX
Title
dataSIMS Avionics ARINC 664-1 - Local Buffer Overflow
Summary
dataSIMS Avionics ARINC 664-1 version 4.5.3 contains a local buffer overflow vulnerability that allows attackers to overwrite memory by manipulating the milstd1553result.txt file. Attackers can craft a malicious file with carefully constructed payload and alignment sections to potentially execute arbitrary code on the Windows system.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 19:25 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49577 | exploit |
| https://www.ddc-web.com/ | product |
| https://www.ddc-web.com/en/connectivity/databus/m… | product |
| https://www.vulncheck.com/advisories/datasims-avi… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Data Device Corporation | dataSIMS Avionics ARINC |
Affected:
4.5.3
|
guessed |
Date Public
2020-02-17 00:00
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