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Vulnerability record · CVE-2017-6188 · published 22 February 2017

CVE-2017-6188: Munin-monitoring munin improper input validation vulnerability

Munin Monitoring · Munin

Munin before 2.999.6 has a local file write vulnerability when CGI graphs are enabled. Setting multiple upper_limit GET parameters allows overwriting any file accessible to the www-data user.

5.5 CVSS 3.1 Medium EPSS 0.42% · top 66.1% CWE-20 · Improper input validation
5.5CVSS 3.1 base score, v2 1.9
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Munin before 2.999.6 has a local file write vulnerability when CGI graphs are enabled. Setting multiple upper_limit GET parameters allows overwriting any file accessible to the www-data user.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/96399 Third Party AdvisoryVDB Entry
https://bugs.debian.org/855705 Issue TrackingThird Party Advisory
https://github.com/munin-monitoring/munin/issues/721 Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201710-05 Third Party Advisory
https://www.debian.org/security/2017/dsa-3794 Third Party Advisory
http://www.securityfocus.com/bid/96399 Third Party AdvisoryVDB Entry
https://bugs.debian.org/855705 Issue TrackingThird Party Advisory
https://github.com/munin-monitoring/munin/issues/721 Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201710-05 Third Party Advisory
https://www.debian.org/security/2017/dsa-3794 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-6188), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.