How severe is CVE-2022-40143?

CVE-2022-40143 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40143?

CVE-2022-40143 primarily affects Trendmicro Apex One. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40143?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40143 published?

CVE-2022-40143 was published on 2022-09-19 and last updated on 2026-06-17.

CVE-2022-40143

CVE-2022-40143 is a high-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Trendmicro Apex One
Published: 2022-09-19
Last modified: 2026-06-17

Description

A link following local privilege escalation vulnerability in Trend Micro Apex One and Trend Micro Apex One as a Service servers could allow a local attacker to abuse an insecure directory that could allow a low-privileged user to run arbitrary code with elevated privileges. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Frequently asked questions

What is CVE-2022-40143?: A link following local privilege escalation vulnerability in Trend Micro Apex One and Trend Micro Apex One as a Service servers could allow a local attacker to abuse an insecure directory that could allow a low-privileged user to run arbitrary code with elevated privileges. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
How severe is CVE-2022-40143?: CVE-2022-40143 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40143?: CVE-2022-40143 primarily affects Trendmicro Apex One. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40143?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40143 published?: CVE-2022-40143 was published on 2022-09-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:trendmicro:apex_one:-:*:*:*:*:saas:*:*
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*

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