A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.
総合評価: CVE-2019-10190 は中リスク(47.1/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.26%、49 パーセンタイル) 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 | 2025-11-21 | 0.47% | 0.26% | -0.20% |
| 2 | 2025-11-18 | 0.26% | 0.47% | +0.20% |
| 3 | 2025-11-10 | — | 0.26% | — |
EPSS の全履歴 (全 18 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] |
| 5.4 | 3.0 | MEDIUM |
|
2.8 | 2.5 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2019-10190: 1 source package rows (knot-resolver); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. | https://security.alpinelinux.org/vuln/CVE-2019-10190 |
debian
|
not yet assigned | CVE-2019-10190 not yet assigned priority: Debian including 1 source packages (knot-resolver), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-10190 |
ubuntu
|
medium | CVE-2019-10190 medium priority: Ubuntu including 1 source packages (knot-resolver), 16 status rows across 16 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): not-affected 8, ignored 5, released 2, DNE 1. | https://ubuntu.com/security/CVE-2019-10190 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| nic | knot_resolver | <= 3.2.0 | cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:* |
| nic | knot_resolver | >= 4.0.0, < 4.1.0 | cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 29 | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* |
| fedoraproject | fedora | 30 | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |