VULNERABILITY INTELLIGENCE
CVE-2021-42983
CVSS score8.8 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2021-12-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description
NoMachine Enterprise Client is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Enterprise Client 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.
Weakness classification
- nvd@nist.gov: CWE-120
Primary references
- cve@mitre.org — Exploit, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory