CVE-2021-23887

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.
Overview
  • CVE ID
  • CVE-2021-23887
  • Assigner
  • psirt@mcafee.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-15T08:15:14
  • Last Modified Date
  • 2021-04-27T14:08:48
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:windows:*:* 1 OR 11.6.100.41
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:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://kc.mcafee.com/corporate/index?page=content&id=SB10354 Not Applicable
https://kc.mcafee.com/corporate/index?page=content&id=SB10357 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-23887
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23887
History
Created Old Value New Value Data Type Notes
2022-05-10 07:14:05 Added to TrackCVE
2022-12-06 01:59:45 2021-04-15T08:15Z 2021-04-15T08:15:14 CVE Published Date updated
2022-12-06 01:59:45 2021-04-27T14:08:48 CVE Modified Date updated
2022-12-06 01:59:45 Analyzed Vulnerability Status updated