CVE-2022-40139KEV · OVERDUE

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

High · published September 19, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.2. It is confirmed in active exploitation. It sits in the 88.4th percentile for exploit probability.

1479
days past CISA
deadline
CVSS v3.1
7.2
EPSS
3%
Percentile
88.4
In the wild
Confirmed
What it is

🚨 A server admin can unwittingly become a delivery driver for malicious code! If they instruct clients to download an unverified rollback package, it opens the door for remote code execution! 🔥 Think of this like an unsuspecting restaurant manager who orders a food package without checking the supplier. They could end up serving a dish that poisons the entire dining experience! An attacker with access to the Apex One server can force clients to download harmful software, resulting in a complete system takeover. This could lead to data breaches, unauthorized access to sensitive information, and a major escalation of cyber threats for any organization involved.

Put simply

Think of this like an unsuspecting restaurant manager who orders a food package without checking the supplier. They could end up serving a dish that poisons the entire dining experience! This vulnerability arises from improper validation in the rollback mechanism of Trend Micro Apex One, allowing an attacker with administrative console access to instruct affected clients to download and execute malicious rollback packages.

What to do

An attacker with access to the Apex One server can force clients to download harmful software, resulting in a complete system takeover. This could lead to data breaches, unauthorized access to sensitive information, and a major escalation of cyber threats for any organization involved. To mitigate this vulnerability, ensure that you update to the latest version of Apex One, which addresses this flaw. Additionally, review your server access controls and restrict admin access to trusted personnel only. Regularly audit any rollback packages before deployment. You've got this! Stay vigilant and secure your systems, and soon you'll be on your way to achieving hero status! 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03291 · 88.4th percentile
Published
2022-09-19T18:01Z
KEV added
2022-09-15 · due 2022-10-06
EPSS history
Timeline
  • 19 SEP 18:01Z
    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…
    cvelistv5
  • 15 SEP 00:00Z
    Added to CISA KEV — remediate by Oct 6
    kev