Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, and Puppet Agent 5.5.x prior to 5.5.2 on Windows only, with a specially crafted configuration file an attacker could get pxp-agent to load arbitrary code with privilege escalation.
Conclusion & alert: CVE-2018-6515 is rated Moderate Risk (46.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.22%). 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 | 2025-03-17 | 0.06% | 0.22% | +0.15% |
| 2 | 2023-03-07 | 0.89% | 0.06% | -0.82% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2018-6515 unimportant priority: Debian including 1 source packages (puppet), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2018-6515 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2018-6515 |
| URL | Tags |
|---|---|
| https://puppet.com/security/cve/CVE-2018-6515 | Vendor Advisory |