What is CVE-2017-6188?

CVE-2017-6188 is a medium-severity vulnerability in Munin-Monitoring Munin, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-02-22.

How severe is CVE-2017-6188?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Munin-Monitoring Munin

CVE-2017-6188

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-02-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Munin-Monitoring Munin
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/96399 (VDB Entry, Third Party Advisory, vdb-entry)
bugs.debian.org/855705 (Third Party Advisory, Issue Tracking)
www.debian.org/security/2017/dsa-3794 (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/201710-05 (vendor-advisory, Third Party Advisory)
github.com/munin-monitoring/munin/issues/721 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-6188?: CVE-2017-6188 is a medium-severity vulnerability in Munin-Monitoring Munin, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-02-22.
How severe is CVE-2017-6188?: Medium severity. CVSS v3 base score is 5.5 out of 10.