How severe is CVE-2006-1380?

CVE-2006-1380 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2006-1380 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1380?

CVE-2006-1380 affects Trendmicro Interscan Messaging Security Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-1380?

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-2006-1380 published?

CVE-2006-1380 was published on 2006-03-24 and last updated on 2026-06-16.

CVE-2006-1380

CVE-2006-1380 is a high-severity vulnerability in Trendmicro Interscan Messaging Security Suite with a CVSS 2.0 base score of 7.2. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Trendmicro Interscan Messaging Security Suite
Published: 2006-03-24
Last modified: 2026-06-16

Description

ISNTSmtp directory in Trend Micro InterScan Messaging Security Suite (IMSS) 5.5 build 1183 and possibly other versions before 5.7.0.1121, uses insecure DACLs for critical files, which allows local users to gain SYSTEM privileges by modifying ISNTSysMonitor.exe.

Frequently asked questions

What is CVE-2006-1380?: ISNTSmtp directory in Trend Micro InterScan Messaging Security Suite (IMSS) 5.5 build 1183 and possibly other versions before 5.7.0.1121, uses insecure DACLs for critical files, which allows local users to gain SYSTEM privileges by modifying ISNTSysMonitor.exe.
How severe is CVE-2006-1380?: CVE-2006-1380 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-1380 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1380?: CVE-2006-1380 affects Trendmicro Interscan Messaging Security Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-1380?: 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-2006-1380 published?: CVE-2006-1380 was published on 2006-03-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:trendmicro:interscan_messaging_security_suite:5.5:*:*:*:*:*:*:*

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