A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity.
総合評価: CVE-2021-20179 は中リスク（55.6/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 1.19%、64 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 | 0.29% | 1.19% | +0.90% |
| 2 | 2026-02-02 | 0.40% | 0.29% | -0.10% |
| 3 | 2025-03-30 | — | 0.40% | — |
EPSS の全履歴 （全 11 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 |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.8 | 5.2 | [email protected] |
| 5.5 | 2.0 | MEDIUM |
|
8.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2021-20179 not yet assigned priority: Debian including 1 source packages (dogtag-pki), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2021-20179 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2021-20179 |
ubuntu
|
high | CVE-2021-20179 high priority: Ubuntu including 1 source packages (dogtag-pki), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 9, DNE 5, ignored 1, not-affected 1. | https://ubuntu.com/security/CVE-2021-20179 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| dogtagpki | dogtagpki | < 10.5.0 | cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* |
| dogtagpki | dogtagpki | >= 10.5.1, < 10.8.0 | cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* |
| dogtagpki | dogtagpki | >= 10.8.1, < 10.9.0 | cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* |
| dogtagpki | dogtagpki | >= 10.9.1, < 10.10.0 | cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* |
| dogtagpki | dogtagpki | >= 10.10.1, < 10.11.0 | cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* |
| redhat | certificate_system | 10.0 | cpe:2.3:a:redhat:certificate_system:10.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 32 | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1914379 | Issue Tracking Patch Third Party Advisory |
| https://github.com/dogtagpki/pki/pull/3474 | Patch Third Party Advisory |
| https://github.com/dogtagpki/pki/pull/3475 | Patch Third Party Advisory |
| https://github.com/dogtagpki/pki/pull/3476 | Patch Third Party Advisory |
| https://github.com/dogtagpki/pki/pull/3477 | Patch Third Party Advisory |
| https://github.com/dogtagpki/pki/pull/3478 | Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/ |