CVE-2022-40139

Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability

  • High 7.2
  • Exploited: added to CISA KEV 15 Sep 2022

Description

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.

Key facts

Published
19 Sep 2022
Last changed
21 Oct 2025
Assigned by
trendmicro
KEV added
15 Sep 2022
KEV fix due
6 Oct 2022
EPSS
3.515% likely to be exploited in the next 30 days, higher than 89.401% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.2CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Trend MicroTrend Micro Apex One
  • 2019 (on-prem) and SaaS (affected)

Timeline

  1. 15 Sep 2022 CVE-2022-40139 added to CISA KEV
  2. 15 Sep 2022 Added to the CISA KEV catalogue
  3. 19 Sep 2022 Published

References