Description
NoMachine Server is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Server above 4.0.346 and below 7.7.4 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.
References (1)
Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/
Scores
CVSS v3
8.8
EPSS
0.0008
EPSS Percentile
22.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (1)
nomachine/server
4.0.346 - 7.7.4
Published
Dec 07, 2021
Tracked Since
Feb 18, 2026