CVE-2024-23940

Name: CVE-2024-23940
Creator: NVD / NIST
Published: 2024-01-29T19:15:08.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2024-23940 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Trend Micro uiAirSupport, included in the Trend Micro Security 2023 family of consumer products, version 6.0.2092 and below is vulnerable to a DLL hijacking/proxying vulnerability, which if exploited could allow an attacker to impersonate and modify a library to execute code on the system and ultimately escalate privileges on an affected system.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Trend Micro uiAirSupport, included in the Trend Micro Security 2023 family of consumer products, version 6.0.2092 and below is vulnerable to a DLL hijacking/proxying vulnerability, which if exploited could allow an attacker to impersonate and modify a library to execute code on the system and ultimately escalate privileges on an affected system.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.64%

45.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Trendmicro	Air Support	< 6.0.2103
Trendmicro	Antivirus \+ Security	< 6.0.2103
Trendmicro	Internet Security	< 6.0.2103
Trendmicro	Maximum Security	< 6.0.2103
Trendmicro	Premium Security	< 6.0.2103

References

https://helpcenter.trendmicro.com/en-us/article/tmka-12134Vendor Advisory
https://helpcenter.trendmicro.com/ja-jp/article/tmka-12132Vendor Advisory
https://medium.com/@s1kr10s/av-when-a-friend-becomes-an-enemy-55f41aba42b1Exploit, Technical Description, Third Party Advisory
https://helpcenter.trendmicro.com/en-us/article/tmka-12134Vendor Advisory
https://helpcenter.trendmicro.com/ja-jp/article/tmka-12132Vendor Advisory
https://medium.com/@s1kr10s/av-when-a-friend-becomes-an-enemy-55f41aba42b1Exploit, Technical Description, Third Party Advisory

Timeline

Published: Jan 29, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-23940?

How severe is CVE-2024-23940?

CVE-2024-23940 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23940?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-23940?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST