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Vulnerability Details :

CVE-2021-36742

Summary
Assigner-trendmicro
Assigner Org ID-7f7bd7df-cffe-4fdb-ab6d-859363b89272
Published At-29 Jul, 2021 | 19:23
Updated At-30 Jul, 2025 | 01:38
Rejected At-
Credits

Trend Micro Multiple Products Improper Input Validation Vulnerability

Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows for privilege escalation.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
Trend Micro IncorporatedTrend Micro
Product:Apex One, Apex One as a Service, and Worry-Free Business Security
Added At:03 Nov, 2021
Due At:17 Nov, 2021

Trend Micro Multiple Products Improper Input Validation Vulnerability

Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows for privilege escalation.

Used in Ransomware

:

Unknown

CWE

:
CWE-20

Required Action:

Apply updates per vendor instructions.

Additional Notes:

https://success.trendmicro.com/dcx/s/solution/000287819?language=en_US, https://success.trendmicro.com/dcx/s/solution/000287820?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-36742
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:trendmicro
Assigner Org ID:7f7bd7df-cffe-4fdb-ab6d-859363b89272
Published At:29 Jul, 2021 | 19:23
Updated At:30 Jul, 2025 | 01:38
Rejected At:
▼CVE Numbering Authority (CNA)

A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate 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.

Affected Products
Vendor
Trend Micro IncorporatedTrend Micro
Product
Trend Micro Apex One
Versions
Affected
  • 2019, SaaS
Vendor
Trend Micro IncorporatedTrend Micro
Product
Trend Micro OfficeScan
Versions
Affected
  • XG SP1
Vendor
Trend Micro IncorporatedTrend Micro
Product
Trend Micro Worry-Free Business Security
Versions
Affected
  • 10.0 SP1
Problem Types
TypeCWE IDDescription
textN/ALocal Privilege Escalation
Type: text
CWE ID: N/A
Description: Local Privilege Escalation
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://success.trendmicro.com/solution/000287819
x_refsource_MISC
https://success.trendmicro.com/solution/000287820
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287796
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287815
x_refsource_MISC
Hyperlink: https://success.trendmicro.com/solution/000287819
Resource:
x_refsource_MISC
Hyperlink: https://success.trendmicro.com/solution/000287820
Resource:
x_refsource_MISC
Hyperlink: https://success.trendmicro.com/jp/solution/000287796
Resource:
x_refsource_MISC
Hyperlink: https://success.trendmicro.com/jp/solution/000287815
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://success.trendmicro.com/solution/000287819
x_refsource_MISC
x_transferred
https://success.trendmicro.com/solution/000287820
x_refsource_MISC
x_transferred
https://success.trendmicro.com/jp/solution/000287796
x_refsource_MISC
x_transferred
https://success.trendmicro.com/jp/solution/000287815
x_refsource_MISC
x_transferred
Hyperlink: https://success.trendmicro.com/solution/000287819
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://success.trendmicro.com/solution/000287820
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://success.trendmicro.com/jp/solution/000287796
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://success.trendmicro.com/jp/solution/000287815
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20 Improper Input Validation
Type: CWE
CWE ID: CWE-20
Description: CWE-20 Improper Input Validation
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
kev
dateAdded:
2021-11-03
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36742
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
CVE-2021-36742 added to CISA KEV2021-11-03 00:00:00
Event: CVE-2021-36742 added to CISA KEV
Date: 2021-11-03 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@trendmicro.com
Published At:29 Jul, 2021 | 20:15
Updated At:13 Feb, 2025 | 14:26

A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate 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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2021-11-032021-11-17Trend Micro Multiple Products Improper Input Validation VulnerabilityApply updates per vendor instructions.
Date Added: 2021-11-03
Due Date: 2021-11-17
Vulnerability Name: Trend Micro Multiple Products Improper Input Validation Vulnerability
Required Action: Apply updates per vendor instructions.
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Trend Micro Incorporated
trendmicro
>>officescan>>xg
cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
Trend Micro Incorporated
trendmicro
>>officescan_business_security>>10.0
cpe:2.3:a:trendmicro:officescan_business_security:10.0:sp1:*:*:*:*:*:*
Trend Micro Incorporated
trendmicro
>>apex_one>>2019
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
Trend Micro Incorporated
trendmicro
>>worry-free_business_security>>10.0
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows>>-
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE-20Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-20
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://success.trendmicro.com/jp/solution/000287796security@trendmicro.com
Vendor Advisory
https://success.trendmicro.com/jp/solution/000287815security@trendmicro.com
Vendor Advisory
https://success.trendmicro.com/solution/000287819security@trendmicro.com
Vendor Advisory
https://success.trendmicro.com/solution/000287820security@trendmicro.com
Vendor Advisory
https://success.trendmicro.com/jp/solution/000287796af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://success.trendmicro.com/jp/solution/000287815af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://success.trendmicro.com/solution/000287819af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://success.trendmicro.com/solution/000287820af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: https://success.trendmicro.com/jp/solution/000287796
Source: security@trendmicro.com
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/jp/solution/000287815
Source: security@trendmicro.com
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/solution/000287819
Source: security@trendmicro.com
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/solution/000287820
Source: security@trendmicro.com
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/jp/solution/000287796
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/jp/solution/000287815
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/solution/000287819
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: https://success.trendmicro.com/solution/000287820
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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