CVE-2021-42011

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
An incorrect permission assignment vulnerability in Trend Micro Apex One and Apex One as a Service could allow a local attacker to load a DLL with escalated privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Overview
  • CVE ID
  • CVE-2021-42011
  • Assigner
  • security@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-21T08:15:07
  • Last Modified Date
  • 2021-10-27T11:47:30
Weakness Enumerations
CWE URL
CWE-276 http://cwe.mitre.org/data/definitions/276.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:* 1 OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
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://www.zerodayinitiative.com/advisories/ZDI-21-1220/ Third Party Advisory VDB Entry
https://success.trendmicro.com/solution/000289229 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-42011
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42011
History
Created Old Value New Value Data Type Notes
2022-05-10 06:49:35 Added to TrackCVE
2022-12-05 13:00:11 2021-10-21T08:15Z 2021-10-21T08:15:07 CVE Published Date updated
2022-12-05 13:00:11 2021-10-27T11:47:30 CVE Modified Date updated
2022-12-05 13:00:11 Analyzed Vulnerability Status updated