Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master's certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka "AltNames Vulnerability."
結論預警: CVE-2011-3872 綜合評估為低風險（39.2/100）：CVSS 技術影響為低級，利用機率（EPSS 2.45%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-26 | 2.43% | 2.45% | +0.02% |
| 2 | 2026-06-15 | 2.78% | 2.43% | -0.34% |
| 3 | 2025-03-30 | — | 2.78% | — |
完整 EPSS 歷史 （共 12 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-3872 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-2011-3872 |
gentoo
|
high | CVE-2011-3872: 1 GLSA(s) (201203-03), 1 atom(s) (app-admin/puppet); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3872 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2011-3872 |
ubuntu
|
high | CVE-2011-3872 high priority: Ubuntu including 1 source packages (puppet), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, ignored 1. | https://ubuntu.com/security/CVE-2011-3872 |
| 廠商 | 產品 | 版本 | 原始 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 | 2.7.2 | 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:*:*:*:*:*:*:* |
| 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 | 1.2.0 | cpe:2.3:a:puppet:puppet_enterprise:1.2.0:*:*:*:*:*:*:* |
| puppet | puppet_enterprise | 1.2.1 | cpe:2.3:a:puppet:puppet_enterprise:1.2.1:*:*:*:*:*:*:* |
| puppet | puppet_enterprise | 1.2.2 | cpe:2.3:a:puppet:puppet_enterprise:1.2.2:*:*:*:*:*:*:* |
| puppet | puppet_enterprise | 1.2.3 | cpe:2.3:a:puppet:puppet_enterprise:1.2.3:*:*:*:*:*:*:* |
| puppetlabs | puppet_enterprise_users | 1.0 | cpe:2.3:a:puppetlabs:puppet_enterprise_users:1.0:*:*:*:*:*:*:* |
| puppetlabs | puppet_enterprise_users | 1.1 | cpe:2.3:a:puppetlabs:puppet_enterprise_users:1.1:*:*:*:*:*:*:* |