IcscertCVELIST:CVE-2021-27433CVE-2021-27433 ARM mbed-ualloc memory library 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
0.005 Low
EPSS
Percentile
76.9%
ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
CNA Affected
[
{
"product": "mbed-ualloc memory library",
"vendor": "ARM",
"versions": [
{
"status": "affected",
"version": "1.3.0"
}
]
}
]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
0.005 Low
EPSS
Percentile
76.9%