CVE-2021-47881
High · 8.4CVSS
8.4
EPSS
0.2%
Published
Jan 23, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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