How severe is CVE-2020-8470?

CVE-2020-8470 has a CVSS 3.x base score of 7.5, rated high 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 none.

Is CVE-2020-8470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8470?

CVE-2020-8470 primarily affects Trendmicro Apex One. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8470?

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-2020-8470 published?

CVE-2020-8470 was published on 2020-03-18 and last updated on 2026-06-17.

CVE-2020-8470

CVE-2020-8470 is a high-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 9.4
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Trendmicro Apex One
Published: 2020-03-18
Last modified: 2026-06-17

Description

Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) server contains a vulnerable service DLL file that could allow an attacker to delete any file on the server with SYSTEM level privileges. Authentication is not required to exploit this vulnerability.

Frequently asked questions

What is CVE-2020-8470?: Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) server contains a vulnerable service DLL file that could allow an attacker to delete any file on the server with SYSTEM level privileges. Authentication is not required to exploit this vulnerability.
How severe is CVE-2020-8470?: CVE-2020-8470 has a CVSS 3.x base score of 7.5, rated high 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 none.
Is CVE-2020-8470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8470?: CVE-2020-8470 primarily affects Trendmicro Apex One. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8470?: 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-2020-8470 published?: CVE-2020-8470 was published on 2020-03-18 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:xg:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:9.0:sp3:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:9.5:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:-:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*

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