What’s Vulnerable › Vulnerabilities

CVE-2017-6188

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-22 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Debian Linux: 8.0
• Munin-Monitoring Munin: before 2.0.30.1; from 2.1.0 before 2.999.9 — fixed in 2.0.30.1, 2.999.9

How to fix

Upgrade to a fixed version: Munin-Monitoring Munin 2.0.30.1, 2.999.9. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/96399
• https://bugs.debian.org/855705
• https://github.com/munin-monitoring/munin/issues/721
• https://security.gentoo.org/glsa/201710-05
• https://www.debian.org/security/2017/dsa-3794
• http://www.securityfocus.com/bid/96399
• https://bugs.debian.org/855705
• https://github.com/munin-monitoring/munin/issues/721
• https://security.gentoo.org/glsa/201710-05
• https://www.debian.org/security/2017/dsa-3794

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