CVE-2021-42686

CVSS V2 High 7.2 CVSS V3 High 8.8
Description
An Integer Overflow exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22001B in the Accops HyWorks Windows Client prior to v 3.2.8.200 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.
Overview
  • CVE ID
  • CVE-2021-42686
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-07T21:15:08
  • Last Modified Date
  • 2021-12-09T14:01:25
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:accops:hyworks_windows_client:*:*:*:*:*:*:*:* 1 OR 3.2.8.200
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ Exploit Technical Description Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-42686
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42686
History
Created Old Value New Value Data Type Notes
2022-05-10 06:42:34 Added to TrackCVE
2022-12-06 03:14:37 2021-12-07T21:15Z 2021-12-07T21:15:08 CVE Published Date updated
2022-12-06 03:14:37 2021-12-09T14:01:25 CVE Modified Date updated
2022-12-06 03:14:37 Analyzed Vulnerability Status updated