8.2

CVE-2021-41838

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

Data is provided by the National Vulnerability Database (NVD)
Insyde ≫ Insydeh2o Version >= 5.1 < 5.16.42
Insyde ≫ Insydeh2o Version >= 5.2 < 5.26.42
Insyde ≫ Insydeh2o Version >= 5.3 < 5.35.42
Insyde ≫ Insydeh2o Version >= 5.4 < 5.43.42
Insyde ≫ Insydeh2o Version >= 5.5 < 5.51.42
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.149
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.2 1.5 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.