The qmailscan plugin for Munin 1.4.5 allows local users to overwrite arbitrary files via a symlink attack on temporary files with predictable names.
Conclusion & alert: CVE-2012-2103 is rated Low Risk (13.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.33%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.04% | 0.33% | +0.29% |
| 2 | 2025-03-30 | 0.06% | 0.04% | -0.02% |
| 3 | 2025-03-29 | — | 0.06% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 1.2 | 2.0 | LOW |
|
1.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-2103 not yet assigned priority: Debian including 1 source packages (munin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-2103 |
gentoo
|
normal | CVE-2012-2103: 1 GLSA(s) (201405-17), 1 atom(s) (net-analyzer/munin); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2103 |
ubuntu
|
negligible | CVE-2012-2103 negligible priority: Ubuntu including 1 source packages (munin), 7 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): released 3, ignored 2, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2012-2103 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| munin-monitoring | munin | 1.4.5 | cpe:2.3:a:munin-monitoring:munin:1.4.5:*:*:*:*:*:*:* |