CVE-2021-42979
High
Description
NoMachine Cloud Server is affected by Integer 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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductNomachine Cloud Server
PublishedDec 7, 2021
First seenDec 7, 2021
How to fix
Update
- nomachine cloud_server7.7.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nomachine cloud_server | 4.0.346 < v < 7.7.4 | 7.7.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.