How severe is CVE-2020-8604?

CVE-2020-8604 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 high, integrity none, and availability none.

Is CVE-2020-8604 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8604?

CVE-2020-8604 affects Trendmicro Interscan Web Security Virtual Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8604?

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-2020-8604 published?

CVE-2020-8604 was published on 2020-05-27 and last updated on 2026-06-17.

CVE-2020-8604

CVE-2020-8604 is a high-severity vulnerability in Trendmicro Interscan Web Security Virtual Appliance with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 90% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 90% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Trendmicro Interscan Web Security Virtual Appliance
Published: 2020-05-27
Last modified: 2026-06-17

Description

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow remote attackers to disclose sensitive informatoin on affected installations.

Frequently asked questions

What is CVE-2020-8604?: A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow remote attackers to disclose sensitive informatoin on affected installations.
How severe is CVE-2020-8604?: CVE-2020-8604 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 high, integrity none, and availability none.
Is CVE-2020-8604 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8604?: CVE-2020-8604 affects Trendmicro Interscan Web Security Virtual Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8604?: 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-2020-8604 published?: CVE-2020-8604 was published on 2020-05-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:interscan_web_security_virtual_appliance:6.5:*:*:*:*:*:*:*

More vulnerabilities in Trendmicro Interscan Web Security Virtual Appliance

CVE-2016-9269 — Critical (CVSS 9.9): Remote Command Execution in com.trend.iwss.gui.servlet.ManagePatches in Trend Micro Interscan Web Security Virtual…
CVE-2020-8466 — Critical (CVSS 9.8): A command injection vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2, with the improved…
CVE-2020-8465 — Critical (CVSS 9.8): A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to manipulate…
CVE-2020-28578 — Critical (CVSS 9.8): A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote…
CVE-2020-8606 — Critical (CVSS 9.8): A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow remote attackers to bypass…
CVE-2020-8461 — High (CVSS 8.8): A CSRF protection bypass vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an…

All CVEs affecting Trendmicro Interscan Web Security Virtual Appliance →

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 →