CVE-2021-29997

Medium

Published: 13 April 2021

Published

13 April 2021

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Score 0.0016 36.5th percentile

Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-29997 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Windriver Vxworks. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 36.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

windriver

vxworks

7.0 — 21.03

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.