CVE-2016-2056

HIGH

Xymon <4.3.25 - Command Injection

Title source: llm

Description

xymond in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 allow remote authenticated users to execute arbitrary commands via shell metacharacters in the adduser_name argument in (1) web/useradm.c or (2) web/chpasswd.c.

Exploits (2)

exploitdb WORKING POC VERIFIED

by Metasploit · rubyremotemultiple

https://www.exploit-db.com/exploits/47114

View Code ZIP pw:eip

metasploit WORKING POC EXCELLENT

by Markus Krell, bcoles · rubypocunix

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/xymon_useradm_cmd_exec.rb

View Code ZIP pw:eip

References (5)

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/135758/Xymon-4.3.x-Buffer-Overflow-Code-Execution-Information-Disclosure.html

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/153620/Xymon-useradm-Command-Execution.html

[Patch] https://sourceforge.net/p/xymon/code/7892/

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/537522/100/0/threaded

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3495

Scores

CVSS v3 8.8

EPSS 0.5635

EPSS Percentile 98.1%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-77

Status published

Products (33)

debian/debian_linux 8.0

xymon/xymon 4.1.0

xymon/xymon 4.1.1

xymon/xymon 4.1.2 (3 CPE variants)

xymon/xymon 4.2 alfa (3 CPE variants)

xymon/xymon 4.2.0

xymon/xymon 4.2.2 (2 CPE variants)

xymon/xymon 4.2.3 (2 CPE variants)

xymon/xymon 4.3.0 (5 CPE variants)

xymon/xymon 4.3.1

... and 23 more

Published Apr 13, 2016

Tracked Since Feb 18, 2026