TI-2023-15836 Aliases CVE-2023-32554 GHSA-4chj-257p-75h9

Time-of-check time-of-use race condition in Trend Micro Apex One

LOW 32CWE-367Published 2023-06-26 · Updated 2024-12-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A Time-of-Check Time-Of-Use vulnerability in the Trend Micro Apex One and Apex One as a Service agent could allow a local attacker to escalate privileges on affected installations. Please note: a local attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This is similar to, but not identical to CVE-2023-32555.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00184 7th percentileScored 2026-11-07

Fix Fixed Trend Micro Apex One (Trend Micro, Inc.): 14.0.0.12024

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Trend Micro	Trend Micro Apex One	2019 to before 14.0.0.12024	14.0.0.12024	Patch available	CNA

Trend Micro Apex One VendorTrend Micro Affected 2019 to before 14.0.0.12024 Fixed in 14.0.0.12024 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:trendmicro:apex_one:::::saas:::*	before 14.0.12105	Vulnerable	Trendmicro
cpe:2.3:a:trendmicro:apex_one:2019:::::::*	2019	Vulnerable	Trendmicro
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:trendmicro:apex_one:*:*:*:*:saas:*:*:* Versions before 14.0.12105 Vulnerable ·Trendmicro
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Trendmicro
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Trend Micro Apex One (Trend Micro, Inc.) Fixed in 14.0.0.12024

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2023-06-26
Trend Micro Apex One 14.0.0.12024
7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2023-15839 Path traversal in Trend Micro Apex OnePriority MEDIUM 51
- TI-2023-15837 Time-of-check time-of-use race condition in Trend Micro Apex OnePriority LOW 32
- TI-2023-15835 Origin validation error in Trend Micro Apex OnePriority LOW 31
Show all 7 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-32554
2026-10-03 Alias added: GHSA-4chj-257p-75h9

References

Patch 1

https://success.trendmicro.com/dcx/s/solution/000293108?language=en_US

Advisory 1

https://www.zerodayinitiative.com/advisories/ZDI-23-657/

TI-2025-34668 OS command injection in Trend Micro Apex One KEVCVSS 3.1CRITICAL 9.8
TI-2022-10115 Insufficient verification of data authenticity in Trend Micro Apex Central KEVCVSS 3.1CRITICAL 9.8
TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8

See all 603 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences