Is CVE-2017-6338 in the CISA KEV catalog?

No. CVE-2017-6338 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-6338?

CVE-2017-6338 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2017-6338?

CVE-2017-6338 has an EPSS score of 3.92% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2017-6338?

No published fix for CVE-2017-6338 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2017-6338

MEDIUMEPSS 89th pctl

6.5

CVSS v3

NVD

Description

Multiple Access Control issues in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 allow an authenticated, remote user with low privileges like 'Reports Only' or 'Auditor' to change FTP Access Control Settings, create or modify reports, or upload an HTTPS Decryption Certificate and Private Key.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

3.92%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

success.trendmicro.com

Exploit1

qualys.com

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.