When was CVE-2003-0993 disclosed?

CVE-2003-0993 was first published in the National Vulnerability Database on March 29, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-0993 actively exploited?

CVE-2003-0993 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0993?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0993, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2003-0993

NONECVSS 0.0

0.0

mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.

CVSS v3: —
EG Score: —
EPSS: 89.9%
KEV: Not listed

References (46)

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CVE-2003-0993

Published

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References (46)

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2003-0993?

CVE-2003-0993

📅 Published

🔄 Last Modified

🔗 References (46)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2003-0993?

Published

Last Modified

References (46)

Frequently asked(4)