Open vSwitch 1.4.2 uses world writable permissions for (1) /var/lib/openvswitch/pki/controllerca/incoming/ and (2) /var/lib/openvswitch/pki/switchca/incoming/, which allows local users to delete and overwrite arbitrary files.
结论预警: CVE-2012-3449 综合评估为低风险(24/100):CVSS 技术影响为低级,利用概率偏低(EPSS 0.35%) 强制指令: 持续跟踪利用情报与 EPSS 变化,并适时复评优先级。
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 | 0.04% | 0.35% | +0.30% |
| 2 | 2025-03-30 | 0.07% | 0.04% | -0.02% |
| 3 | 2025-03-29 | — | 0.07% | — |
完整 EPSS 历史 (共 5 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 |
|---|---|---|---|---|---|---|
| 3.6 | 2.0 | LOW |
|
3.9 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3449 not yet assigned priority: Debian including 1 source packages (openvswitch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-3449 |
suse
|
low | CVE-2012-3449 severity low: SUSE including 64 source package names (libopenvswitch-2_11-0-2.11.1-1.75, libopenvswitch-2_8-0-2.8.2-4.16, …), 70 product×package rows across 14 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Server Applications 15, … (14 product lines)): Fixed 70. | https://www.suse.com/security/cve/CVE-2012-3449/ |
ubuntu
|
medium | CVE-2012-3449 medium priority: Ubuntu including 1 source packages (openvswitch), 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, DNE 3, ignored 3, released 1. | https://ubuntu.com/security/CVE-2012-3449 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| openvswitch | openvswitch | 1.4.2 | cpe:2.3:a:openvswitch:openvswitch:1.4.2:*:*:*:*:*:*:* |