CVE-2013-3843
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…
- 6.8MediumCVSS base score
- 20.2%Exploitation in 30 daysEPSS · top 2.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it.
Show the exploits1
Metasploit modules1 module
- Monkey HTTPD Header Parsing Denial of Service (DoS) (Metasploit module) (opens in a new tab)
auxiliary/dos/http/monkey_headersRank normaldisclosed 30 May 2013
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 13 months later
· 13 months later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 20.2% · top 2.5% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
References6
- 53697 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://github.com/monkey/monkey/issues/88 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://monkey-project.com/Announcements/v1.2.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://bugs.monkey-project.com/ticket/182 (opens in a new tab)x_refsource_CONFIRMx_transferred
- monkeyhttpd-cve20133843-bo(84755) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20130604 CVE-2013-3843 Monkey HTTPD 1.2.0 - Buffer Overflow DoS Vulnerability With Possible Arbitrary Code Execution (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-3775 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-3843)Record last updated .