CVE-2020-24557KEV · OVERDUE

Trend Micro Multiple Products Improper Access Control Vulnerability

High · published September 1, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 85.6th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
7.8
EPSS
3%
Percentile
85.6
In the wild
Confirmed
What it is

⚡ Just one little trick can disable your defenses! An attacker with low-level access can manipulate folder permissions in Trend Micro Apex One and Worry-Free Business Security to gain elevated privileges. 🔥 Think of it like a sneaky restaurant patron who manages to convince the server to change the locks on the kitchen door — now they can strut right in and mess with the chef's best dishes! This vulnerability could lead to an attacker disabling critical security features and gaining full control of your system — they could wreak absolute havoc, stealing sensitive data or installing malicious software. Imagine coming back to find someone has not only accessed your secret recipe book but is also running their own kitchen!

Put simply

Think of it like a sneaky restaurant patron who manages to convince the server to change the locks on the kitchen door — now they can strut right in and mess with the chef's best dishes! CVE-2020-24557 allows an attacker to exploit a specific Windows function by manipulating product folder permissions, allowing for privilege escalation after executing low-privileged code on the target system. This means that if the attacker gets a foothold, they can escalate to full administrator rights.

What to do

This vulnerability could lead to an attacker disabling critical security features and gaining full control of your system — they could wreak absolute havoc, stealing sensitive data or installing malicious software. Imagine coming back to find someone has not only accessed your secret recipe book but is also running their own kitchen! To protect your systems, ensure that you're running Windows 10 version 1909 or later, which mitigates this issue. Additionally, review folder permissions in your Trend Micro installations and apply any relevant patches or updates to ensure you're fully protected. You've got this! Keep your systems secure, and together we can stop the bad actors. 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02666 · 85.6th percentile
Published
2020-09-01T18:55Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 01 SEP 18:55Z
    A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate a particular product…
    cvelistv5