Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
総合評価: CVE-2025-47779 は公開エクスプロイトあり（57.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.41%、33 パーセンタイル） 根拠: 公開エクスプロイトが 1 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.28% | 0.41% | +0.13% |
| 2 | 2026-03-18 | 0.05% | 0.28% | +0.22% |
| 3 | 2025-06-15 | — | 0.05% | — |
EPSS の全履歴 （全 4 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 |
|---|---|---|---|---|---|---|
| 7.7 | 3.1 | HIGH |
|
3.1 | 4.0 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2025-47779: 1 source package rows (asterisk); 97 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 97. | https://security.alpinelinux.org/vuln/CVE-2025-47779 |
debian
|
not yet assigned | CVE-2025-47779 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-2025-47779 |
ubuntu
|
medium | CVE-2025-47779 medium priority: Ubuntu including 1 source packages (asterisk), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): needs-triage 7, ignored 2. | https://ubuntu.com/security/CVE-2025-47779 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| sangoma | asterisk | < 18.26.2 | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* |
| sangoma | asterisk | >= 20.0.0, < 20.14.1 | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* |
| sangoma | asterisk | >= 21.0.0, < 21.9.1 | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* |
| sangoma | asterisk | >= 22.0.0, < 22.4.1 | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* |
| sangoma | certified_asterisk | < 18.9 | cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:-:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert1:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert1-rc1:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert10:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert11:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert12:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert13:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert3:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert4:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert5:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert6:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert7:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8-rc1:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8-rc2:*:*:*:*:*:* |
| sangoma | certified_asterisk | 18.9 | cpe:2.3:a:sangoma:certified_asterisk:18.9:cert9:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc1:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc2:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert2:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert3:*:*:*:*:*:* |
| sangoma | certified_asterisk | 20.7 | cpe:2.3:a:sangoma:certified_asterisk:20.7:cert4:*:*:*:*:*:* |