SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-3724

The mk_request_header_process function in mk_request.c in Monkey 1.1.1 allows remote attackers to cause a denial of service (thread crash and service outage) via a '\0' character in an HTTP request.

EXPLOITMEDIUM 5.0EPSS 13.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

The mk_request_header_process function in mk_request.c in Monkey 1.1.1 allows remote attackers to cause a denial of service (thread crash and service outage) via a '\0' character in an HTTP request.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
13.73% probability · 97th percentile
Public exploits
1 in Exploit-DB · first 30 May 2013
CISA KEV
Not listed
Weakness
CWE-20
Affected
monkey-project/monkey
Source
cve@mitre.org
EPSS trend
0%8%15%4 November 2026: 13.73%4 November 20264 November 2026

EPSS 13.7% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-25837source ↗Monkey HTTPd 1.1.1 - Crash (PoC)linux · Doug Prostkodos30 May 2013no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.