Vulnerability Database

319,561

Total vulnerabilities in the database

CVE-2021-47881

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.

  • Published: Jan 23, 2026
  • Updated: Jan 24, 2026
  • CVE: CVE-2021-47881
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.4
  • AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs: