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7.5
CVSSv2

CVE-2021-27431

Published: 03/05/2022 Updated: 13/05/2022
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

ARM CMSIS RTOS2 versions before 2.1.3 are vulnerable to integer wrap-around inosRtxMemoryAlloc (local malloc equivalent) function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or injected code execution.

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ICS Advisories

Multiple RTOS (Update D)
Critical Infrastructure Sectors: Energy

References

CWE-190https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04https://nvd.nist.govhttps://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
CVSSv2
CVSSv2
CVSSv3
VMScore
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