CVE-2021-47881 - CVE House
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Status published Medium CVE-2021-47881

dataSIMS Avionics ARINC 664-1 - Local Buffer Overflow

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Kağan Çapar

Affected Vendor

Data Device Corporation

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Affected Software

dataSIMS Avionics ARINC
Vulnerable Versions:
4.5.3

Timeline

Official Publish: January 23rd, 2026
Last Modified: January 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)