Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, allows remote authenticated users to read arbitrary files on the puppet master server by leveraging an arbitrary user's certificate and private key in a GET request.
Conclusion & alert: CVE-2012-3864 is rated Exploit Available (59.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.91%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.60% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.31% | 1.91% | +1.60% |
| 2 | 2025-06-05 | 0.23% | 0.31% | +0.09% |
| 3 | 2025-03-30 | — | 0.23% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3864 not yet assigned priority: Debian including 1 source packages (puppet), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2012-3864 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2012-3864 |
ubuntu
|
medium | CVE-2012-3864 medium priority: Ubuntu including 1 source packages (puppet), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): released 5, ignored 1. | https://ubuntu.com/security/CVE-2012-3864 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| puppet | puppet | 2.6.0 | cpe:2.3:a:puppet:puppet:2.6.0:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.1 | cpe:2.3:a:puppet:puppet:2.6.1:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.2 | cpe:2.3:a:puppet:puppet:2.6.2:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.3 | cpe:2.3:a:puppet:puppet:2.6.3:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.4 | cpe:2.3:a:puppet:puppet:2.6.4:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.5 | cpe:2.3:a:puppet:puppet:2.6.5:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.6 | cpe:2.3:a:puppet:puppet:2.6.6:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.7 | cpe:2.3:a:puppet:puppet:2.6.7:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.8 | cpe:2.3:a:puppet:puppet:2.6.8:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.9 | cpe:2.3:a:puppet:puppet:2.6.9:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.10 | cpe:2.3:a:puppet:puppet:2.6.10:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.11 | cpe:2.3:a:puppet:puppet:2.6.11:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.12 | cpe:2.3:a:puppet:puppet:2.6.12:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.13 | cpe:2.3:a:puppet:puppet:2.6.13:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.14 | cpe:2.3:a:puppet:puppet:2.6.14:*:*:*:*:*:*:* |
| puppet | puppet | 2.6.15 | cpe:2.3:a:puppet:puppet:2.6.15:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.2 | cpe:2.3:a:puppet:puppet:2.7.2:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.3 | cpe:2.3:a:puppet:puppet:2.7.3:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.4 | cpe:2.3:a:puppet:puppet:2.7.4:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.5 | cpe:2.3:a:puppet:puppet:2.7.5:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.6 | cpe:2.3:a:puppet:puppet:2.7.6:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.7 | cpe:2.3:a:puppet:puppet:2.7.7:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.8 | cpe:2.3:a:puppet:puppet:2.7.8:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.9 | cpe:2.3:a:puppet:puppet:2.7.9:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.10 | cpe:2.3:a:puppet:puppet:2.7.10:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.11 | cpe:2.3:a:puppet:puppet:2.7.11:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.12 | cpe:2.3:a:puppet:puppet:2.7.12:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.13 | cpe:2.3:a:puppet:puppet:2.7.13:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.14 | cpe:2.3:a:puppet:puppet:2.7.14:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.16 | cpe:2.3:a:puppet:puppet:2.7.16:*:*:*:*:*:*:* |
| puppet | puppet | 2.7.17 | cpe:2.3:a:puppet:puppet:2.7.17:*:*:*:*:*:*:* |
| puppetlabs | puppet | <= 2.6.16 | cpe:2.3:a:puppetlabs:puppet:*:*:*:*:*:*:*:* |
| puppetlabs | puppet | 2.7.0 | cpe:2.3:a:puppetlabs:puppet:2.7.0:*:*:*:*:*:*:* |
| puppetlabs | puppet | 2.7.1 | cpe:2.3:a:puppetlabs:puppet:2.7.1:*:*:*:*:*:*:* |
| puppet | puppet_enterprise | <= 2.5.1 | cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:* |