VIR Vulnerability Intelligence Relay

CVE-2016-2056

high
Published 2016-04-13 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2
6.5
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2056

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://sourceforge.net/p/xymon/code/7892/

OS impact
OSVersionStatusFixed in
debian debian8.0affected
debian debianbookwormfixed4.3.25-1
debian debianbullseyefixed4.3.25-1
debian debianforkyfixed4.3.25-1
debian debiansidfixed4.3.25-1
debian debiantrixiefixed4.3.25-1

Application impact
VendorProductVersionsFixed
xymonxymon4.1.0
xymonxymon4.1.1
xymonxymon4.1.2
xymonxymon4.2
xymonxymon4.2.0
xymonxymon4.2.2
xymonxymon4.2.3
xymonxymon4.3.0
xymonxymon4.3.1
xymonxymon4.3.2
xymonxymon4.3.3
xymonxymon4.3.4
xymonxymon4.3.5
xymonxymon4.3.6
xymonxymon4.3.7
xymonxymon4.3.8
xymonxymon4.3.9
xymonxymon4.3.10
xymonxymon4.3.11
xymonxymon4.3.12
xymonxymon4.3.13
xymonxymon4.3.14
xymonxymon4.3.15
xymonxymon4.3.16
xymonxymon4.3.17
xymonxymon4.3.18
xymonxymon4.3.19
xymonxymon4.3.20
xymonxymon4.3.21
xymonxymon4.3.22
xymonxymon4.3.23
xymonxymon4.3.24

References

CWEs

CWE-77

Verify integrity in audit chain (admin only). AS-IS.