Trend Micro Apex One ROLLBACK RCE via Unverified Rollback Package
CVE-2022-40139 Published on September 19, 2022

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.

NVD

Known Exploited Vulnerability

This Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Trend Micro Apex One and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.

The following remediation steps are recommended / required by October 6, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2022-40139 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Products Associated with CVE-2022-40139

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Affected Versions

Trend Micro Apex One Version 2019 (on-prem) and SaaS is affected by CVE-2022-40139

Exploit Probability

EPSS
11.80%
Percentile
93.63%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.