The mcollective-sshkey-security plugin before 0.5.1 for Puppet uses a server-specified identifier as part of a path where a file is written. A compromised server could use this to write a file to an arbitrary location on the client with the filename appended with the string "_pub.pem".
Conclusion & alert: CVE-2017-2298 is rated Moderate Risk (52/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.49%). Core evidence: EPSS rose +1.22% 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 | 0.27% | 1.49% | +1.22% |
| 2 | 2025-03-30 | 0.43% | 0.27% | -0.15% |
| 3 | 2025-03-29 | — | 0.43% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| puppet | mcollective-sshkey-security | <= 0.5.0 | cpe:2.3:a:puppet:mcollective-sshkey-security:*:*:*:*:*:puppet:*:* |
| URL | Tags |
|---|---|
| https://github.com/puppetlabs/mcollective-sshkey-security/blob/0.5.1/CHANGELOG.md | Third Party Advisory |
| https://github.com/puppetlabs/mcollective-sshkey-security/commit/3388a3109f4fb1c69fa8505e991bf59ca20d19a2 | Third Party Advisory |
| https://puppet.com/security/cve/cve-2017-2298 | Mitigation Patch Vendor Advisory |