Check_MK before 1.2.4p4 and 1.2.5 before 1.2.5i4 allows remote authenticated users to write check_mk config files (.mk files) to arbitrary locations via vectors related to row selections.
Conclusion & alert: CVE-2014-5339 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.79%). Core evidence: EPSS rose +1.33% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
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 | 0.45% | 1.79% | +1.33% |
| 2 | 2025-03-30 | 1.51% | 0.45% | -1.06% |
| 3 | 2025-03-29 | — | 1.51% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 2.0 | MEDIUM |
|
6.8 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2014-5339 |
ubuntu
|
medium | CVE-2014-5339 medium priority: Ubuntu including 1 source packages (check-mk), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 7, not-affected 4, DNE 2, needs-triage 1. | https://ubuntu.com/security/CVE-2014-5339 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| check_mk_project | check_mk | <= 1.2.4 | cpe:2.3:a:check_mk_project:check_mk:*:p3:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.4 | cpe:2.3:a:check_mk_project:check_mk:1.2.4:*:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.4 | cpe:2.3:a:check_mk_project:check_mk:1.2.4:p1:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.4 | cpe:2.3:a:check_mk_project:check_mk:1.2.4:p2:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.5 | cpe:2.3:a:check_mk_project:check_mk:1.2.5:i1:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.5 | cpe:2.3:a:check_mk_project:check_mk:1.2.5:i2:*:*:*:*:*:* |
| check_mk_project | check_mk | 1.2.5 | cpe:2.3:a:check_mk_project:check_mk:1.2.5:i3:*:*:*:*:*:* |