PT-2026-4503 · Microsoft+1 · Windows+1

Kağan Çapar · Publicado 2026-01-23 · Atualizado 2026-01-24 · CVE-2021-47881

Positive Technologies (AI Summary)

CVSS v3.1

8.4

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions dataSIMS Avionics ARINC 664-1 version 4.5.3

Description The software contains a local buffer overflow that allows attackers to overwrite memory. This is achieved by manipulating the milstd1553result.txt file. An attacker can create a malicious file with a crafted payload and alignment sections to potentially execute arbitrary code on a Windows system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Enumeração de Fraquezas

CWE-121

Identificadores relacionados

CVE-2021-47881

Produtos afetados

Windows

Datasims Avionics

Referências · 7

• 🔥 https://exploit-db.com/exploits/49577 · Exploit
• https://vulncheck.com/advisories/datasims-avionics-arinc-local-buffer-overflow · Nota
• https://ddc-web.com/en/connectivity/databus/milstd1553-1/software-1/bu-69414?partNumber=BU-69414 · Nota
• https://twitter.com/CVEnew/status/2014995844198748416 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2021-47881 · Nota de Segurança
• https://t.me/CVEtracker/42851 · Publicação no Telegram
• https://ddc-web.com · Nota