SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-5019

Stack-based buffer overflow in Ultra Mini HTTPD 1.21 allows remote attackers to execute arbitrary code via a long resource name in an HTTP request.

EXPLOIT ×5 ✓HIGH 10.0EPSS 63.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 63.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Stack-based buffer overflow in Ultra Mini HTTPD 1.21 allows remote attackers to execute arbitrary code via a long resource name in an HTTP request.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
63.57% probability · 99th percentile
Public exploits
5 in Exploit-DB · verified · first 11 July 2013
CISA KEV
Not listed
Weakness
CWE-119
Affected
vector/ultra mini httpd
Source
cve@mitre.org
EPSS trend
0%33%65%4 November 2026: 63.57%4 November 20264 November 2026

EPSS 63.6% 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 (5)

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-44472source ↗Ultra MiniHTTPd 1.2 - 'GET' Remote Stack Buffer Overflow (PoC)windows_x86 · jollymongrellocal17 April 2018yes
EDB-31814source ↗Ultra Mini HTTPd 1.21 - 'POST' Remote Stack Buffer Overflow (2)windows · OJ Reevesremote22 February 2014yes
EDB-31736source ↗Ultra Mini HTTPd 1.21 - 'POST' Remote Stack Buffer Overflow (1)windows · Sumitremote18 February 2014yes
EDB-27608source ↗Ultra Mini HTTPd - Remote Stack Buffer Overflow (Metasploit)windows · Metasploitremote15 August 2013yes
EDB-26739source ↗Ultra Mini HTTPd 1.21 - Remote Stack Buffer Overflowwindows · superkojimanremote11 July 2013yes

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