How severe is CVE-2023-52091?

CVE-2023-52091 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-52091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52091?

CVE-2023-52091 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-2023-52091?

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.

Does CVE-2023-52091 have an EU (EUVD) identifier?

Yes. CVE-2023-52091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56765.

When was CVE-2023-52091 published?

CVE-2023-52091 was published on 2024-01-23 and last updated on 2026-06-17.

CVE-2023-52091

CVE-2023-52091 is a high-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 7.8. 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 7.8)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56765
Weakness: CWE-59
Affected product: Trendmicro Apex One
Published: 2024-01-23
Last modified: 2026-06-17

Description

An anti-spyware engine link following vulnerability in Trend Micro Apex One could allow a local attacker to escalate privileges 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.

Frequently asked questions

What is CVE-2023-52091?: An anti-spyware engine link following vulnerability in Trend Micro Apex One could allow a local attacker to escalate privileges 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.
How severe is CVE-2023-52091?: CVE-2023-52091 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-52091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52091?: CVE-2023-52091 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-2023-52091?: 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.
Does CVE-2023-52091 have an EU (EUVD) identifier?: Yes. CVE-2023-52091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56765.
When was CVE-2023-52091 published?: CVE-2023-52091 was published on 2024-01-23 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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