Is CVE-2013-5705 in the CISA KEV catalog?

No. CVE-2013-5705 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-5705?

CVE-2013-5705 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2013-5705?

CVE-2013-5705 has an EPSS score of 2.67% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-5705?

Upgrade modsecurity-apache on debian 11 to 2.7.7-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-5705

MEDIUMEPSS 84th pctl

5.0

CVSS v2

NVD

Description

apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.

How to fix

Remediation Available

modsecurity-apacheDebian

Fixed in:2.7.7-1CVE-2013-5705

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

2.67%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

github.com

Exploit1

martin.swende.se

Third-Party Advisory1

debian.org

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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 2026-05-06.