How severe is CVE-2023-32521?

CVE-2023-32521 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-32521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32521?

CVE-2023-32521 affects Trendmicro Mobile Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32521?

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

When was CVE-2023-32521 published?

CVE-2023-32521 was published on 2023-06-26 and last updated on 2026-06-17.

CVE-2023-32521

CVE-2023-32521 is a critical-severity vulnerability in Trendmicro Mobile Security with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 69% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 69% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Trendmicro Mobile Security
Published: 2023-06-26
Last modified: 2026-06-17

Description

A path traversal exists in a specific service dll of Trend Micro Mobile Security (Enterprise) 9.8 SP5 which could allow an unauthenticated remote attacker to delete arbitrary files.

Frequently asked questions

What is CVE-2023-32521?: A path traversal exists in a specific service dll of Trend Micro Mobile Security (Enterprise) 9.8 SP5 which could allow an unauthenticated remote attacker to delete arbitrary files.
How severe is CVE-2023-32521?: CVE-2023-32521 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-32521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32521?: CVE-2023-32521 affects Trendmicro Mobile Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-32521 published?: CVE-2023-32521 was published on 2023-06-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:mobile_security:9.8:sp5:*:*:enterprise:windows:*:*

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