CVE-2021-42973
Published: 07 December 2021
Summary
CVE-2021-42973 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Nomachine Server. Its CVSS base score is 8.8 (High).
Operationally, ranked at the 36.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-29928
Vulnerability details
NoMachine Server is affected by Integer 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)…
more
via specially crafted I/O Request Packet.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.