IcscertCVELIST:CVE-2021-27431CVE-2021-27431 ARM CMSIS RTOS2 Integer Overflow or Wraparound
7.3 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
65.0%
ARM CMSIS RTOS2 versions prior to 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.
CNA Affected
[
{
"product": "CMSIS RTOS2",
"vendor": "ARM",
"versions": [
{
"lessThan": "2.1.3",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]Related
7.3 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
65.0%