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."
Conclusion & alert: CVE-2008-4403 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.85%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 3.79% | 3.85% | +0.06% |
| 2 | 2025-03-29 | 3.85% | 3.79% | -0.06% |
| 3 | 2025-03-17 | — | 3.85% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trend_micro | officescan | 8.0 | cpe:2.3:a:trend_micro:officescan:8.0:sp1:*:*:*:*:*:* |
| trend_micro | officescan | 8.0 | cpe:2.3:a:trend_micro:officescan:8.0:sp1_patch1:*:*:*:*:*:* |