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Fencer Vulns
medium 5.5

CVE-2017-6188 json

Munin before 2.999.6 has a local file write vulnerability when CGI graphs are enabled.

published 2017-02-22 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15253

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

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.

Patch / fix

  • munin-monitoring munin 2.0.30.1, 2.999.9
  • munin Debian 14, Debian 13, Debian 12 2.0.31-1

debian advisories DEBIAN-CVE-2017-6188

  • munin Ubuntu 14.04 LTS 2.0.19-3ubuntu0.2
  • munin Ubuntu 16.04 LTS 2.0.25-2ubuntu0.16.04.2

ubuntu advisories UBUNTU-CVE-2017-6188

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • munin openSUSE Tumbleweed 2.0.66-3.5

opensuse advisories openSUSE-SU-2024:11067-1

  • munin Alpine 3.5 2.0.33-r0

alpine advisories ALPINE-CVE-2017-6188

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • munin Arch Linux 2.0.47-1

arch linux advisories AVG-953

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-6188 updated cvss 5.5

munin: Local file write vulnerability with CGI graphs enabled

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.