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HIGH · 8.8

CVE-2021-42993

FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allow local attackers to execute arbitrary code in kernel mode o...

Vulnerability Description

FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FlexihubFlexihub< 5.3.14268
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-190

References

FAQ

What is CVE-2021-42993?

CVE-2021-42993 is a vulnerability with a CVSS score of 8.8 (HIGH). FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allow local attackers to execute arbitrary code in kernel mode o...

How severe is CVE-2021-42993?

CVE-2021-42993 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42993?

Check the references section above for vendor advisories and patch information. Affected products include: Flexihub Flexihub, Microsoft Windows.