High severity8.8NVD Advisory· Published Dec 7, 2021· Updated Jun 17, 2026
CVE-2021-43000
CVE-2021-43000
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.
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Affected products
3cpe:2.3:a:amzetta:zportal_windows_zclient:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:amzetta:zportal_windows_zclient:*:*:*:*:*:*:*:*range: <=3.2.8180.148
- (no CPE)range: <=v3.2.8180.148
- AmZetta/zPortal Windows zClientdescription
Patches
Vulnerability mechanics
References
1- www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/nvdExploitTechnical DescriptionThird Party Advisory
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