Is CVE-2004-0747 in the CISA KEV catalog?

No. CVE-2004-0747 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0747?

CVE-2004-0747 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2004-0747?

CVE-2004-0747 has an EPSS score of 1.61% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-0747?

Upgrade apache2 on debian 11 to 2.0.51 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2004-0747

HIGHEPSS 73th pctl

7.8

CVSS v3

NVD

Description

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

CWE-131

How to fix

Remediation Available

apache2Debian

Fixed in:2.0.51CVE-2004-0747

Apache Lounge httpdWindows application

Affected:2.0.35 2.0.51Fixed in:2.0.51Apache Lounge

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.61%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

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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 2026-04-16.