High severity · published Apr 13, 2016
CVE-2016-2056
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)…
8.8
CVSS
54.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)54.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
XY
Xymon · Xymon
4.1.0; 4.1.1; 4.1.2; 4.1.2; 4.1.2; 4.2; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2056
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2056
packetstormsecurity.com
http://packetstormsecurity.com/files/135758/Xymon-4.3.x-Buffer-Overflow-Code-Execution-Information-Disclosure.html
packetstormsecurity.com
http://packetstormsecurity.com/files/153620/Xymon-useradm-Command-Execution.html
www.debian.org
http://www.debian.org/security/2016/dsa-3495
www.securityfocus.com
http://www.securityfocus.com/archive/1/537522/100/0/threaded
Patch
https://sourceforge.net/p/xymon/code/7892/
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