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CVE-2021-42102

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a...

7.8 High

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service agents could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.46%Up 0.1 points since Oct 21, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service agents could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Record
CVE-2021-42102
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-427
Updated
2026-11-02
CVE List No score

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service agents could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Record
CVE-2021-42102
Updated
2026-11-02
EUVDEUVD-2021-29088 No score

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service agents could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Record
EUVD-2021-29088
Updated
2026-11-03
GitHub AdvisoriesGHSA-33mm-7q99-mpgc No score

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a...

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service agents could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Record
GHSA-33mm-7q99-mpgc
Weakness
CWE-427
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-42102 is a high vulnerability (CVSS 7.8) in Trend Micro Apex One, published October 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.

References

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