Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
総合評価: CVE-2019-9897 は中リスク(60.3/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 2.39%、85 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 | 2026-05-27 | 1.91% | 2.39% | +0.48% |
| 2 | 2026-02-19 | 2.02% | 1.91% | -0.11% |
| 3 | 2025-11-21 | — | 2.02% | — |
EPSS の全履歴 (全 19 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 | 3.0 | 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-2019-9897: 1 source package rows (putty); 11 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-community, 3.21-community, 3.22-community, edge-community, edge-main); fixed 11, open 0. | https://security.alpinelinux.org/vuln/CVE-2019-9897 |
debian
|
not yet assigned | CVE-2019-9897 not yet assigned priority: Debian including 1 source packages (putty), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-9897 |
ubuntu
|
medium | CVE-2019-9897 medium priority: Ubuntu including 1 source packages (putty), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, released 2, DNE 1, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2019-9897 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| putty | putty | < 0.71 | cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 28 | cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* |
| fedoraproject | fedora | 29 | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| netapp | oncommand_unified_manager | — | cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:*:*:* |
| opensuse | leap | 15.0 | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/ | |
| https://seclists.org/bugtraq/2019/Apr/6 | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20190404-0001/ | Patch Third Party Advisory |
| https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html | Third Party Advisory |
| https://www.debian.org/security/2019/dsa-4423 | Third Party Advisory |