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Fencer Vulns
high 7.8

CVE-2023-34147 json

An exposed dangerous function vulnerability in the Trend Micro Apex One and Apex One as a Service security agent could allow a local attack…

published 2023-06-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38249

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

An exposed dangerous function vulnerability in the Trend Micro Apex One and Apex One as a Service security agent could allow a local attacker to escalate privileges and write an arbitrary value to specific Trend Micro agent subkeys on affected installations.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

This is a similar, but not identical vulnerability as CVE-2023-34146 and CVE-2023-34148.

Patch / fix

  • Trend Micro, Inc. Trend Micro Apex One 14.0.0.12033
  • trend_micro_inc trend_micro_apex_one 14.0.0.12033

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
23 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Trend Micro, Inc. Trend Micro Apex One
  • trend_micro_inc trend_micro_apex_one

Classification

Weakness
  • CWE-863 Incorrect Authorization
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.