Is CVE-2013-3843 in the CISA KEV catalog?

No. CVE-2013-3843 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-3843?

CVE-2013-3843 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2013-3843?

CVE-2013-3843 has an EPSS score of 20.18% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-3843

MEDIUMEPSS 97th pctl

6.8

CVSS v2

NVD

Description

Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP header.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

20.18%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

http://archives.neohapsis.com/archives/bugtraq/2013-06/0015.html
http://bugs.monkey-project.com/ticket/182
http://monkey-project.com/Announcements/v1.2.1
http://secunia.com/advisories/53697
https://exchange.xforce.ibmcloud.com/vulnerabilities/84755
https://github.com/monkey/monkey/issues/88

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.