cve.bz

CVE-2021-47881

6.7 mediumEPSS 0.2%

Medium (6.7). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

8.4 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-11-01)
CWE
CWE-121
Published
Modified
Record from
the NVD, synced

References

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