CVE-2021-47881
dataSIMS Avionics ARINC 664-1 - Local Buffer Overflow
- State
- Published
- Severity
- 6.7 Medium
- Published
- Jan 23, 2026
- Updated
- Jan 23, 2026
- Reserved
- Jan 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.7 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.4 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
dataSIMS Avionics ARINCData Device Corporation |
|
References
- ExploitDB-49577exploit
- Vendor Homepageproduct
- Software Product Pageproduct
- VulnCheck Advisory: dataSIMS Avionics ARINC 664-1 - Local Buffer Overflowthird-party-advisory
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