Is CVE-2004-0113 in the CISA KEV catalog?

No. CVE-2004-0113 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0113?

CVE-2004-0113 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2004-0113?

CVE-2004-0113 has an EPSS score of 9.90% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-0113?

Upgrade apache2 on debian 11 to 2.0.52 or later.

CVE & CISA-KEV Catalog

CVE-2004-0113

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

Memory leak in ssl_engine_io.c for mod_ssl in Apache 2 before 2.0.49 allows remote attackers to cause a denial of service (memory consumption) via plain HTTP requests to the SSL port of an SSL-enabled server.

How to fix

Remediation Available

apache2Debian

Fixed in:2.0.52CVE-2004-0113

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

9.90%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% 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.