How severe is CVE-2019-20358?

CVE-2019-20358 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20358?

CVE-2019-20358 affects Trendmicro Anti-threat Toolkit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20358?

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-2019-20358 published?

CVE-2019-20358 was published on 2020-01-30 and last updated on 2026-06-17.

CVE-2019-20358

CVE-2019-20358 is a high-severity vulnerability in Trendmicro Anti-threat Toolkit 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 5.1
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Trendmicro Anti-threat Toolkit
Published: 2020-01-30
Last modified: 2026-06-17

Description

Trend Micro Anti-Threat Toolkit (ATTK) versions 1.62.0.1218 and below have a vulnerability that may allow an attacker to place malicious files in the same directory, potentially leading to arbitrary remote code execution (RCE) when executed. Another attack vector similar to CVE-2019-9491 was idenitfied and resolved in version 1.62.0.1228 of the tool.

Frequently asked questions

What is CVE-2019-20358?: Trend Micro Anti-Threat Toolkit (ATTK) versions 1.62.0.1218 and below have a vulnerability that may allow an attacker to place malicious files in the same directory, potentially leading to arbitrary remote code execution (RCE) when executed. Another attack vector similar to CVE-2019-9491 was idenitfied and resolved in version 1.62.0.1228 of the tool.
How severe is CVE-2019-20358?: CVE-2019-20358 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20358?: CVE-2019-20358 affects Trendmicro Anti-threat Toolkit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20358?: 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-2019-20358 published?: CVE-2019-20358 was published on 2020-01-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:anti-threat_toolkit:*:*:*:*:*:*:*:*

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