How severe is CVE-2008-4403?

CVE-2008-4403 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-4403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4403?

CVE-2008-4403 primarily affects Trend Micro Officescan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4403?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-4403 published?

CVE-2008-4403 was published on 2008-10-03 and last updated on 2026-06-16.

CVE-2008-4403

CVE-2008-4403 is a medium-severity vulnerability in Trend Micro Officescan with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Trend Micro Officescan
Published: 2008-10-03
Last modified: 2026-06-16

Description

The CGI modules in the server in Trend Micro OfficeScan 8.0 SP1 before build 2439 and 8.0 SP1 Patch 1 before build 3087 allow remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via crafted HTTP headers, related to the "error handling mechanism."

Frequently asked questions

What is CVE-2008-4403?: The CGI modules in the server in Trend Micro OfficeScan 8.0 SP1 before build 2439 and 8.0 SP1 Patch 1 before build 3087 allow remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via crafted HTTP headers, related to the "error handling mechanism."
How severe is CVE-2008-4403?: CVE-2008-4403 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-4403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4403?: CVE-2008-4403 primarily affects Trend Micro Officescan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4403?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4403 published?: CVE-2008-4403 was published on 2008-10-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:trend_micro:officescan:8.0:sp1:*:*:*:*:*:*
cpe:2.3:a:trend_micro:officescan:8.0:sp1_patch1:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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