A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.
総合評価: CVE-2021-3698 は中リスク(46.6/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.65%、46 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 | 0.14% | 0.65% | +0.51% |
| 2 | 2025-07-12 | 0.25% | 0.14% | -0.11% |
| 3 | 2025-05-20 | — | 0.25% | — |
EPSS の全履歴 (全 7 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] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2021-3698 not yet assigned priority: Debian including 1 source packages (cockpit), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2021-3698 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-3698 |
suse
|
high | CVE-2021-3698 severity important: SUSE including 13 source package names (cockpit, cockpit-264.1-1.el8, …), 35 product×package rows across 6 product lines (SUSE Liberty Linux 8, SUSE Linux Enterprise Micro 5.1, … (6 product lines)): Known Not Affected 30, Fixed 5. | https://www.suse.com/security/cve/CVE-2021-3698/ |
ubuntu
|
medium | CVE-2021-3698 medium priority: Ubuntu including 1 source packages (cockpit), 15 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 6, not-affected 6, DNE 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2021-3698 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| cockpit-project | cockpit | < 260 | cpe:2.3:a:cockpit-project:cockpit:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1992149 | Issue Tracking Third Party Advisory |