CVE-2021-42980

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Third-Party Advisory sentinelone.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ exploit third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2021-42980?
CVE-2021-42980 has been scored as a high severity vulnerability.
How to fix CVE-2021-42980?
To fix CVE-2021-42980, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42980 being actively exploited in the wild?
It is possible that CVE-2021-42980 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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