Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
结论预警: CVE-2012-3291 综合评估为中等风险（60.8/100）：CVSS 技术影响为高级，利用概率（EPSS 2.32%） 核心证据: 近一日 EPSS 上升 +1.17%，被利用关注度持续升高。 强制指令: 梳理受影响资产并纳入修补计划。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.15% | 2.32% | +1.17% |
| 2 | 2025-03-30 | 1.30% | 1.15% | -0.15% |
| 3 | 2025-03-29 | — | 1.30% | — |
完整 EPSS 历史 （共 8 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3291 not yet assigned priority: Debian including 1 source packages (openconnect), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-3291 |
ubuntu
|
low | CVE-2012-3291 low priority: Ubuntu including 1 source packages (openconnect), 16 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 3, DNE 2, released 2. | https://ubuntu.com/security/CVE-2012-3291 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| infradead | openconnect | <= 3.17 | cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:* |
| infradead | openconnect | 1.00 | cpe:2.3:a:infradead:openconnect:1.00:*:*:*:*:*:*:* |
| infradead | openconnect | 1.10 | cpe:2.3:a:infradead:openconnect:1.10:*:*:*:*:*:*:* |
| infradead | openconnect | 1.20 | cpe:2.3:a:infradead:openconnect:1.20:*:*:*:*:*:*:* |
| infradead | openconnect | 1.30 | cpe:2.3:a:infradead:openconnect:1.30:*:*:*:*:*:*:* |
| infradead | openconnect | 1.40 | cpe:2.3:a:infradead:openconnect:1.40:*:*:*:*:*:*:* |
| infradead | openconnect | 2.00 | cpe:2.3:a:infradead:openconnect:2.00:*:*:*:*:*:*:* |
| infradead | openconnect | 2.01 | cpe:2.3:a:infradead:openconnect:2.01:*:*:*:*:*:*:* |
| infradead | openconnect | 2.10 | cpe:2.3:a:infradead:openconnect:2.10:*:*:*:*:*:*:* |
| infradead | openconnect | 2.11 | cpe:2.3:a:infradead:openconnect:2.11:*:*:*:*:*:*:* |
| infradead | openconnect | 2.12 | cpe:2.3:a:infradead:openconnect:2.12:*:*:*:*:*:*:* |
| infradead | openconnect | 2.20 | cpe:2.3:a:infradead:openconnect:2.20:*:*:*:*:*:*:* |
| infradead | openconnect | 2.21 | cpe:2.3:a:infradead:openconnect:2.21:*:*:*:*:*:*:* |
| infradead | openconnect | 2.22 | cpe:2.3:a:infradead:openconnect:2.22:*:*:*:*:*:*:* |
| infradead | openconnect | 2.23 | cpe:2.3:a:infradead:openconnect:2.23:*:*:*:*:*:*:* |
| infradead | openconnect | 2.24 | cpe:2.3:a:infradead:openconnect:2.24:*:*:*:*:*:*:* |
| infradead | openconnect | 2.25 | cpe:2.3:a:infradead:openconnect:2.25:*:*:*:*:*:*:* |
| infradead | openconnect | 2.26 | cpe:2.3:a:infradead:openconnect:2.26:*:*:*:*:*:*:* |
| infradead | openconnect | 3.00 | cpe:2.3:a:infradead:openconnect:3.00:*:*:*:*:*:*:* |
| infradead | openconnect | 3.01 | cpe:2.3:a:infradead:openconnect:3.01:*:*:*:*:*:*:* |
| infradead | openconnect | 3.02 | cpe:2.3:a:infradead:openconnect:3.02:*:*:*:*:*:*:* |
| infradead | openconnect | 3.11 | cpe:2.3:a:infradead:openconnect:3.11:*:*:*:*:*:*:* |
| infradead | openconnect | 3.12 | cpe:2.3:a:infradead:openconnect:3.12:*:*:*:*:*:*:* |
| infradead | openconnect | 3.13 | cpe:2.3:a:infradead:openconnect:3.13:*:*:*:*:*:*:* |
| infradead | openconnect | 3.14 | cpe:2.3:a:infradead:openconnect:3.14:*:*:*:*:*:*:* |
| infradead | openconnect | 3.15 | cpe:2.3:a:infradead:openconnect:3.15:*:*:*:*:*:*:* |
| infradead | openconnect | 3.16 | cpe:2.3:a:infradead:openconnect:3.16:*:*:*:*:*:*:* |