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CVE-2021-47881

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CVE-2021-47881

Published: Jan 23, 2026

Modified: Jan 23, 2026

PUBLISHED

CVSS v3.1

8.4

HIGH

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.

VendorProductVersions

Data Device Corporation

dataSIMS Avionics ARINC

affected
4.5.3

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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CVE-2021-47881 | HIGH (8.4) - Security Vulnerability | QwikSec