CVE-2021-36742
Trend Micro Multiple Products Improper Input Validation Vulnerability
Trend Micro Apex One, Apex One as a Service, and Worry-Free Business SecurityApplications & CMS
CVSS
7.8HighExploit odds (EPSS)1.48%Chance of exploitation activity in the next 30 days, higher than 73% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version.
Timeline
Description
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.
Text from CVE List
Affected versions 3
- Trend Micro Apex Oneaffected: 2019, SaaSCVE List
- Trend Micro OfficeScanaffected: XG SP1CVE List
- Trend Micro Worry-Free Business Securityaffected: 10.0 SP1CVE List
References 7
- success.trendmicro.com/dcx/s/solution/000287819?language=en_US, https://success.trendmicro.com/dcx/s/solution/000287820?language=en_USReferencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2021-36742Referencevia CISA KEV
- success.trendmicro.com/solution/000287819Referencevia CVE List
- success.trendmicro.com/solution/000287820Referencevia CVE List
- success.trendmicro.com/jp/solution/000287796Referencevia CVE List
- success.trendmicro.com/jp/solution/000287815Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36742Referencevia CVE List