server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.
総合評価: CVE-2012-5642 は中リスク（61.6/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 3.12%、86 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.48% 上昇。悪用への関心が高まっている可能性があります。 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 | 1.64% | 3.12% | +1.48% |
| 2 | 2025-03-30 | 2.83% | 1.64% | -1.18% |
| 3 | 2025-03-29 | — | 2.83% | — |
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 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2012-5642 low priority: Debian including 1 source packages (fail2ban), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-5642 |
ubuntu
|
medium | CVE-2012-5642 medium priority: Ubuntu including 1 source packages (fail2ban), 9 status rows across 9 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream): ignored 5, not-affected 2, released 2. | https://ubuntu.com/security/CVE-2012-5642 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| fail2ban | fail2ban | <= 0.8.7.1 | cpe:2.3:a:fail2ban:fail2ban:*:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.1.0 | cpe:2.3:a:fail2ban:fail2ban:0.1.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.1.1 | cpe:2.3:a:fail2ban:fail2ban:0.1.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.1.2 | cpe:2.3:a:fail2ban:fail2ban:0.1.2:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.3.0 | cpe:2.3:a:fail2ban:fail2ban:0.3.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.3.1 | cpe:2.3:a:fail2ban:fail2ban:0.3.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.4.0 | cpe:2.3:a:fail2ban:fail2ban:0.4.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.4.1 | cpe:2.3:a:fail2ban:fail2ban:0.4.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.0 | cpe:2.3:a:fail2ban:fail2ban:0.5.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.1 | cpe:2.3:a:fail2ban:fail2ban:0.5.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.2 | cpe:2.3:a:fail2ban:fail2ban:0.5.2:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.3 | cpe:2.3:a:fail2ban:fail2ban:0.5.3:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.4 | cpe:2.3:a:fail2ban:fail2ban:0.5.4:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.5.5 | cpe:2.3:a:fail2ban:fail2ban:0.5.5:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.6.0 | cpe:2.3:a:fail2ban:fail2ban:0.6.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.6.1 | cpe:2.3:a:fail2ban:fail2ban:0.6.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.0 | cpe:2.3:a:fail2ban:fail2ban:0.7.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.1 | cpe:2.3:a:fail2ban:fail2ban:0.7.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.2 | cpe:2.3:a:fail2ban:fail2ban:0.7.2:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.3 | cpe:2.3:a:fail2ban:fail2ban:0.7.3:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.4 | cpe:2.3:a:fail2ban:fail2ban:0.7.4:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.5 | cpe:2.3:a:fail2ban:fail2ban:0.7.5:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.6 | cpe:2.3:a:fail2ban:fail2ban:0.7.6:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.7 | cpe:2.3:a:fail2ban:fail2ban:0.7.7:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.8 | cpe:2.3:a:fail2ban:fail2ban:0.7.8:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.7.9 | cpe:2.3:a:fail2ban:fail2ban:0.7.9:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.0 | cpe:2.3:a:fail2ban:fail2ban:0.8.0:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.1 | cpe:2.3:a:fail2ban:fail2ban:0.8.1:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.2 | cpe:2.3:a:fail2ban:fail2ban:0.8.2:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.3 | cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.4 | cpe:2.3:a:fail2ban:fail2ban:0.8.4:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.5 | cpe:2.3:a:fail2ban:fail2ban:0.8.5:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.6 | cpe:2.3:a:fail2ban:fail2ban:0.8.6:*:*:*:*:*:*:* |
| fail2ban | fail2ban | 0.8.7 | cpe:2.3:a:fail2ban:fail2ban:0.8.7:*:*:*:*:*:*:* |