libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)
総合評価: CVE-2021-28117 は中リスク(56/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.56%、72 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 | 2026-06-15 | 0.71% | 1.56% | +0.86% |
| 2 | 2025-11-21 | 0.50% | 0.71% | +0.21% |
| 3 | 2025-11-18 | — | 0.50% | — |
EPSS の全履歴 (全 12 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2021-28117: 1 source package rows (discover); 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-2021-28117 |
debian
|
not yet assigned | CVE-2021-28117 not yet assigned priority: Debian including 1 source packages (plasma-discover), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-28117 |
ubuntu
|
low | CVE-2021-28117 low priority: Ubuntu including 1 source packages (plasma-discover), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 10, needs-triage 4, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2021-28117 |
| URL | タグ |
|---|---|
| https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 | Patch |
| https://github.com/KDE/discover/releases | Third Party Advisory |
| https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 | Patch Third Party Advisory |
| https://kde.org/info/security/advisory-20210310-1.txt | Patch Vendor Advisory |
| https://userbase.kde.org/Discover | Product Vendor Advisory |