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CVE-2021-42980

HIGH CVSS: 8.8 Published: 2021-12-07 Modified: 2026-06-17

Description

NoMachine Cloud Server is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Cloud 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.

Affected Platforms

Nomachine Cloud Server

Weakness Type

CWE-120

References