methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.
結論預警: CVE-2011-3634 綜合評估為低風險（29/100）：CVSS 技術影響為低級，利用機率（EPSS 0.79%） 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 | 2026-06-15 | 0.16% | 0.79% | +0.63% |
| 2 | 2025-03-17 | 0.09% | 0.16% | +0.07% |
| 3 | 2023-03-07 | — | 0.09% | — |
完整 EPSS 歷史 （共 4 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
|
low | CVE-2011-3634 low priority: Debian including 1 source packages (apt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-3634 |
ubuntu
|
medium | CVE-2011-3634 medium priority: Ubuntu including 1 source packages (apt), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 4, released 2. | https://ubuntu.com/security/CVE-2011-3634 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| debian | advanced_package_tool | <= 0.8.10.3 | cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.0 | cpe:2.3:a:debian:advanced_package_tool:0.8.0:*:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.0 | cpe:2.3:a:debian:advanced_package_tool:0.8.0:pre1:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.0 | cpe:2.3:a:debian:advanced_package_tool:0.8.0:pre2:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.1 | cpe:2.3:a:debian:advanced_package_tool:0.8.1:*:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.10 | cpe:2.3:a:debian:advanced_package_tool:0.8.10:*:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.10.1 | cpe:2.3:a:debian:advanced_package_tool:0.8.10.1:*:*:*:*:*:*:* |
| debian | advanced_package_tool | 0.8.10.2 | cpe:2.3:a:debian:advanced_package_tool:0.8.10.2:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 8.04 | cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:* |
| canonical | ubuntu_linux | 10.04 | cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* |
| canonical | ubuntu_linux | 10.10 | cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 11.04 | cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* |