An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.
総合評価: CVE-2018-12227 は中リスク(54.4/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 3.53%、88 パーセンタイル) 根拠: 直近 1 日で EPSS が +2.47% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.06% | 3.53% | +2.47% |
| 2 | 2025-06-30 | 1.22% | 1.06% | -0.16% |
| 3 | 2025-05-13 | — | 1.22% | — |
EPSS の全履歴 (全 16 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 5.3 | 3.0 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-12227 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-2018-12227 |
gentoo
|
normal | CVE-2018-12227: 1 GLSA(s) (201811-11), 1 atom(s) (net-misc/asterisk); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-12227 |
ubuntu
|
low | CVE-2018-12227 low priority: Ubuntu including 1 source packages (asterisk), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 15, needed 2, DNE 1, ignored 1, released 1. | https://ubuntu.com/security/CVE-2018-12227 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| digium | asterisk | >= 13.0.0, < 13.21.1 | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* |
| digium | asterisk | > 14.0.0, < 14.7.7 | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* |
| digium | asterisk | >= 15.0.0, < 15.4.1 | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* |
| digium | certified_asterisk | 13.18 | cpe:2.3:a:digium:certified_asterisk:13.18:cert1:*:*:*:*:*:* |
| digium | certified_asterisk | 13.18 | cpe:2.3:a:digium:certified_asterisk:13.18:cert2:*:*:*:*:*:* |
| digium | certified_asterisk | 13.18 | cpe:2.3:a:digium:certified_asterisk:13.18:cert3:*:*:*:*:*:* |
| digium | certified_asterisk | 13.21 | cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://downloads.asterisk.org/pub/security/AST-2018-008.html | Vendor Advisory |
| http://www.securityfocus.com/bid/104455 | Third Party Advisory VDB Entry |
| https://issues.asterisk.org/jira/browse/ASTERISK-27818 | Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201811-11 | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4320 | Third Party Advisory |