Trend Micro Multiple Products Improper Input Validation Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

1.87 %

Predictive Probability

Percentile Rank

82.7 th

Documented as more likely to be exploited than 82.7% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

Trend Micro

Affected Product

Apex One, Apex One as a Service, and Worry-Free Business Security

Ransomware Status

Campaign Use Unknown

Weakness Classification

CWE-20

External Intelligence

https://success.trendmicro.com/dcx/s/solution/000287819?language=en_US,

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-36742