Cyber Resilience

CVE-2021-42685

HighPublic PoC

Published: 07 December 2021

Published
07 December 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0006 20.2th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42685 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Accops Hyworks Dvm Tools. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 20.2th 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

Vulnerability details

An Integer Overflow vulnerability exists in Accops HyWorks DVM Tools prior to v3.3.1.105 . The IOCTL Handler 0x22005B in the Accops HyWorks DVM Tools prior to v3.3.1.105 allow local attackers to execute arbitrary code in kernel mode or cause a…

more

denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

accops
hyworks dvm tools
≤ 3.3.1.105

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References