CVE-2021-47881

HIGH

8.4

Description

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.

CVE Details

CVSS v3.1 Score8.4

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/23/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-121

References

https://www.ddc-web.com/(disclosure@vulncheck.com)

https://www.ddc-web.com/en/connectivity/databus/milstd1553-1/software-1/bu-69414?partNumber=BU-69414(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49577(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/datasims-avionics-arinc-local-buffer-overflow(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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