chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.
结论预警: CVE-2011-4063 综合评估为中等风险(51.7/100):CVSS 技术影响为中级,利用概率(EPSS 2.38%) 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 | 6.43% | 2.38% | -4.05% |
| 2 | 2026-03-02 | 6.70% | 6.43% | -0.27% |
| 3 | 2025-03-30 | — | 6.70% | — |
完整 EPSS 历史 (共 10 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 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-4063 not yet assigned priority: Debian including 1 source packages (asterisk), 3 status rows across 3 suites (bullseye, forky, sid): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2011-4063 |
gentoo
|
high | CVE-2011-4063: 1 GLSA(s) (201110-21), 1 atom(s) (net-misc/asterisk); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-4063 |
ubuntu
|
medium | CVE-2011-4063 medium priority: Ubuntu including 1 source packages (asterisk), 9 status rows across 9 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, upstream): not-affected 6, ignored 2, released 1. | https://ubuntu.com/security/CVE-2011-4063 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| asterisk | open_source | 1.8.7 | cpe:2.3:a:asterisk:open_source:1.8.7:*:*:*:*:*:*:* |
| asterisk | open_source | 10.0.0 | cpe:2.3:a:asterisk:open_source:10.0.0:*:*:*:*:*:*:* |