How severe is CVE-2023-32557?

CVE-2023-32557 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-32557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32557?

CVE-2023-32557 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-2023-32557?

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-2023-32557 published?

CVE-2023-32557 was published on 2023-06-26 and last updated on 2026-06-17.

CVE-2023-32557

CVE-2023-32557 is a critical-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Trendmicro Apex One
Published: 2023-06-26
Last modified: 2026-06-17

Description

A path traversal vulnerability in the Trend Micro Apex One and Apex One as a Service could allow an unauthenticated attacker to upload an arbitrary file to the Management Server which could lead to remote code execution with system privileges.

Frequently asked questions

What is CVE-2023-32557?: A path traversal vulnerability in the Trend Micro Apex One and Apex One as a Service could allow an unauthenticated attacker to upload an arbitrary file to the Management Server which could lead to remote code execution with system privileges.
How severe is CVE-2023-32557?: CVE-2023-32557 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-32557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32557?: CVE-2023-32557 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-2023-32557?: 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-2023-32557 published?: CVE-2023-32557 was published on 2023-06-26 and last updated on 2026-06-17.

References

https://success.trendmicro.com/dcx/s/solution/000293108?language=en_US

Affected products (2)

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

More vulnerabilities in Trendmicro Apex One

CVE-2025-71211 — Critical (CVSS 9.8): A vulnerability in the Trend Micro Apex One management console could allow a remote attacker to upload malicious code…
CVE-2025-71210 — Critical (CVSS 9.8): A vulnerability in the Trend Micro Apex One management console could allow a remote attacker to upload malicious code…
CVE-2023-25143 — Critical (CVSS 9.8): An uncontrolled search path element vulnerability in the Trend Micro Apex One Server installer could allow an attacker…
CVE-2022-40144 — Critical (CVSS 9.8): A vulnerability in Trend Micro Apex One and Trend Micro Apex One as a Service could allow an attacker to bypass the…
CVE-2022-26871 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to…
CVE-2020-8599 — Critical (CVSS 9.8): Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker…

All CVEs affecting Trendmicro Apex One →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →