Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the attacker controls the victim's DNS server or can spoof its responses, the DNS rebinding protection can be bypassed by using the “localhost6” domain. As long as the attacker uses the “localhost6” domain, they can still apply the attack described in CVE-2018-7160.
総合評価: CVE-2021-22884 は悪用リスクが高い（74.9/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 32.36%、98 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 | 2026-06-23 | 36.84% | 32.36% | -4.48% |
| 2 | 2026-06-15 | 0.27% | 36.84% | +36.57% |
| 3 | 2026-03-17 | — | 0.27% | — |
EPSS の全履歴 （全 51 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
1.6 | 5.9 | [email protected] |
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2021-22884: 2 source package rows (nodejs, nodejs-current); 61 state rows across 16 repos (3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 16, open 45. | https://security.alpinelinux.org/vuln/CVE-2021-22884 |
debian
|
not yet assigned | CVE-2021-22884 not yet assigned priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-22884 |
gentoo
|
low | CVE-2021-22884: 1 GLSA(s) (202405-29), 1 atom(s) (net-libs/nodejs); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-22884 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-22884 |
suse
|
medium | CVE-2021-22884 severity moderate: SUSE including 64 source package names (12:nodejs12-12.21.0-4.13.2, 12:npm12-12.21.0-4.13.2, …), 266 product×package rows across 27 product lines (Container bci/node, Container bci/nodejs, … (27 product lines)): Fixed 266. | https://www.suse.com/security/cve/CVE-2021-22884/ |
ubuntu
|
medium | CVE-2021-22884 medium priority: Ubuntu including 1 source packages (nodejs), 12 status rows across 12 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, trusty, upstream, xenial): not-affected 5, ignored 4, released 3. | https://ubuntu.com/security/CVE-2021-22884 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| nodejs | node.js | >= 10.0.0, < 10.24.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 12.0.0, < 12.21.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 14.0.0, < 14.16.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 15.0.0, < 15.10.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| fedoraproject | fedora | 32 | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* |
| netapp | e-series_performance_analyzer | — | cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:* |
| netapp | oncommand_insight | — | cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* |
| netapp | oncommand_workflow_automation | — | cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* |
| netapp | snapcenter | — | cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* |
| oracle | graalvm | 19.3.5 | cpe:2.3:a:oracle:graalvm:19.3.5:*:*:*:enterprise:*:*:* |
| oracle | graalvm | 20.3.1.2 | cpe:2.3:a:oracle:graalvm:20.3.1.2:*:*:*:enterprise:*:*:* |
| oracle | graalvm | 21.0.0.2 | cpe:2.3:a:oracle:graalvm:21.0.0.2:*:*:*:enterprise:*:*:* |
| oracle | jd_edwards_enterpriseone_tools | < 9.2.6.0 | cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:* |
| oracle | mysql_cluster | <= 8.0.25 | cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:* |
| oracle | nosql_database | < 20.3 | cpe:2.3:a:oracle:nosql_database:*:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.58 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.59 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:* |
| siemens | sinec_infrastructure_network_services | < 1.0.1.1 | cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* |