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.
結論預警: CVE-2011-4063 綜合評估為中等風險(51.7/100):CVSS 技術影響為中級,利用機率(EPSS 2.38%) 強制指令: 梳理受影響資產並納入修補計畫。
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 | 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 歷史 (共 10 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 |
|---|---|---|---|---|---|---|
| 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), 2 status rows across 2 suites (bullseye, sid): resolved 2. | 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 |
| 廠商 | 產品 | 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:*:*:*:*:*:*:* |