CVE-2021-43000 — HIGH (8.8)

Q: How severe is CVE-2021-43000?

CVE-2021-43000 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-43000?

Check the references section above for vendor advisories and patch information. Affected products include: Amzetta Zportal Windows Zclient.

Vulnerability Description

Amzetta zPortal Windows zClient is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amzetta zPortal Windows zClient <= v3.2.8180.148 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

Vendor	Product	Versions
Amzetta	Zportal Windows Zclient	<= 3.2.8180.148

Related Weaknesses (CWE)

CWE-120

References

https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalationExploitTechnical DescriptionThird Party Advisory
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalationExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2021-43000?

CVE-2021-43000 is a vulnerability with a CVSS score of 8.8 (HIGH). Amzetta zPortal Windows zClient is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amzetta zPortal Windows zClient <= v3.2.8180.148 allow local attackers to execute arbitrary code in kernel...

How severe is CVE-2021-43000?

CVE-2021-43000 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-2021-43000?

Check the references section above for vendor advisories and patch information. Affected products include: Amzetta Zportal Windows Zclient.