In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.
総合評価: CVE-2021-25215 は高リスク（68.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 11.39%、95 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +9.14% 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: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2.25% | 11.39% | +9.14% |
| 2 | 2026-06-08 | 2.02% | 2.25% | +0.24% |
| 3 | 2026-06-07 | — | 2.02% | — |
EPSS の全履歴 （全 46 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 |
|
3.9 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2021-25215: 1 source package rows (bind); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2021-25215 |
debian
|
not yet assigned | CVE-2021-25215 not yet assigned priority: Debian including 1 source packages (bind9), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-25215 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2021-25215 |
suse
|
high | CVE-2021-25215 severity important: SUSE including 379 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 1261 product×package rows across 109 product lines (HPE Helion OpenStack 8, Image SLES12-SP5-Azure-BYOS, … (109 product lines)): Fixed 1122, Known Affected 137, Known Not Affected 2. | https://www.suse.com/security/cve/CVE-2021-25215/ |
ubuntu
|
medium | CVE-2021-25215 medium priority: Ubuntu including 1 source packages (bind9), 15 status rows across 15 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): released 15. | https://ubuntu.com/security/CVE-2021-25215 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| isc | bind | >= 9.0.0, < 9.11.31 | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* |
| isc | bind | >= 9.12.0, < 9.16.15 | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* |
| isc | bind | >= 9.17.0, < 9.17.12 | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* |
| isc | bind | 9.9.3 | cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.9.12 | cpe:2.3:a:isc:bind:9.9.12:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.9.13 | cpe:2.3:a:isc:bind:9.9.13:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.10.5 | cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.10.7 | cpe:2.3:a:isc:bind:9.10.7:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.3 | cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.5 | cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.5 | cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.5 | cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.6 | cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.7 | cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.8 | cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.12 | cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.21 | cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.27 | cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.11.29 | cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.16.8 | cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.16.11 | cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:* |
| isc | bind | 9.16.13 | cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:* |
| 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 | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| netapp | h300s_firmware | — | cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
| netapp | h500s_firmware | — | cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
| netapp | h700s_firmware | — | cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
| netapp | h300e_firmware | — | cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* |
| netapp | h500e_firmware | — | cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* |
| netapp | h700e_firmware | — | cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* |
| netapp | h410s_firmware | — | cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* |
| netapp | a250_firmware | — | cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:* |
| netapp | 500f_firmware | — | cpe:2.3:o:netapp:500f_firmware:-:*:*:*:*:*:*:* |
| oracle | tekelec_platform_distribution | >= 7.4.0, <= 7.7.1 | cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* |
| siemens | sinec_infrastructure_network_services | < 1.0.1.1 | cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* |