Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
総合評価: CVE-2011-4897 は低リスク（33/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.25%、46 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 2025-03-30 | 0.40% | 0.25% | -0.15% |
| 2 | 2025-03-29 | 0.25% | 0.40% | +0.15% |
| 3 | 2025-03-17 | — | 0.25% | — |
EPSS の全履歴 （全 8 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 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2011-4897 unimportant priority: Debian including 1 source packages (tor), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-4897 |
ubuntu
|
medium | CVE-2011-4897 medium priority: Ubuntu including 1 source packages (tor), 9 status rows across 9 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, upstream): not-affected 4, ignored 3, DNE 2. | https://ubuntu.com/security/CVE-2011-4897 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| tor | tor | <= 0.2.2.24 | cpe:2.3:a:tor:tor:*:alpha:*:*:*:*:*:* |
| tor | tor | 0.0.2 | cpe:2.3:a:tor:tor:0.0.2:*:*:*:*:*:*:* |
| tor | tor | 0.0.3 | cpe:2.3:a:tor:tor:0.0.3:*:*:*:*:*:*:* |
| tor | tor | 0.0.4 | cpe:2.3:a:tor:tor:0.0.4:*:*:*:*:*:*:* |
| tor | tor | 0.0.5 | cpe:2.3:a:tor:tor:0.0.5:*:*:*:*:*:*:* |
| tor | tor | 0.0.6 | cpe:2.3:a:tor:tor:0.0.6:*:*:*:*:*:*:* |
| tor | tor | 0.0.6.1 | cpe:2.3:a:tor:tor:0.0.6.1:*:*:*:*:*:*:* |
| tor | tor | 0.0.6.2 | cpe:2.3:a:tor:tor:0.0.6.2:*:*:*:*:*:*:* |
| tor | tor | 0.0.7 | cpe:2.3:a:tor:tor:0.0.7:*:*:*:*:*:*:* |
| tor | tor | 0.0.7.1 | cpe:2.3:a:tor:tor:0.0.7.1:*:*:*:*:*:*:* |
| tor | tor | 0.0.7.2 | cpe:2.3:a:tor:tor:0.0.7.2:*:*:*:*:*:*:* |
| tor | tor | 0.0.7.3 | cpe:2.3:a:tor:tor:0.0.7.3:*:*:*:*:*:*:* |
| tor | tor | 0.0.8 | cpe:2.3:a:tor:tor:0.0.8:*:*:*:*:*:*:* |
| tor | tor | 0.0.8.1 | cpe:2.3:a:tor:tor:0.0.8.1:*:*:*:*:*:*:* |
| tor | tor | 0.0.9 | cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.1 | cpe:2.3:a:tor:tor:0.0.9.1:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.2 | cpe:2.3:a:tor:tor:0.0.9.2:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.3 | cpe:2.3:a:tor:tor:0.0.9.3:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.4 | cpe:2.3:a:tor:tor:0.0.9.4:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.5 | cpe:2.3:a:tor:tor:0.0.9.5:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.6 | cpe:2.3:a:tor:tor:0.0.9.6:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.7 | cpe:2.3:a:tor:tor:0.0.9.7:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.8 | cpe:2.3:a:tor:tor:0.0.9.8:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.9 | cpe:2.3:a:tor:tor:0.0.9.9:*:*:*:*:*:*:* |
| tor | tor | 0.0.9.10 | cpe:2.3:a:tor:tor:0.0.9.10:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.1 | cpe:2.3:a:tor:tor:0.1.0.1:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.2 | cpe:2.3:a:tor:tor:0.1.0.2:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.3 | cpe:2.3:a:tor:tor:0.1.0.3:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.4 | cpe:2.3:a:tor:tor:0.1.0.4:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.5 | cpe:2.3:a:tor:tor:0.1.0.5:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.6 | cpe:2.3:a:tor:tor:0.1.0.6:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.7 | cpe:2.3:a:tor:tor:0.1.0.7:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.8 | cpe:2.3:a:tor:tor:0.1.0.8:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.9 | cpe:2.3:a:tor:tor:0.1.0.9:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.10 | cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.11 | cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.12 | cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.13 | cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.14 | cpe:2.3:a:tor:tor:0.1.0.14:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.15 | cpe:2.3:a:tor:tor:0.1.0.15:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.16 | cpe:2.3:a:tor:tor:0.1.0.16:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.17 | cpe:2.3:a:tor:tor:0.1.0.17:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.18 | cpe:2.3:a:tor:tor:0.1.0.18:*:*:*:*:*:*:* |
| tor | tor | 0.1.0.19 | cpe:2.3:a:tor:tor:0.1.0.19:*:*:*:*:*:*:* |
| tor | tor | 0.1.1 | cpe:2.3:a:tor:tor:0.1.1:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.1 | cpe:2.3:a:tor:tor:0.1.1.1:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.1 | cpe:2.3:a:tor:tor:0.1.1.1:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.2 | cpe:2.3:a:tor:tor:0.1.1.2:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.2 | cpe:2.3:a:tor:tor:0.1.1.2:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.3 | cpe:2.3:a:tor:tor:0.1.1.3:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.3 | cpe:2.3:a:tor:tor:0.1.1.3:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.4 | cpe:2.3:a:tor:tor:0.1.1.4:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.4 | cpe:2.3:a:tor:tor:0.1.1.4:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.5 | cpe:2.3:a:tor:tor:0.1.1.5:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.5 | cpe:2.3:a:tor:tor:0.1.1.5:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.6 | cpe:2.3:a:tor:tor:0.1.1.6:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.6 | cpe:2.3:a:tor:tor:0.1.1.6:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.7 | cpe:2.3:a:tor:tor:0.1.1.7:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.7 | cpe:2.3:a:tor:tor:0.1.1.7:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.8 | cpe:2.3:a:tor:tor:0.1.1.8:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.8 | cpe:2.3:a:tor:tor:0.1.1.8:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.9 | cpe:2.3:a:tor:tor:0.1.1.9:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.9 | cpe:2.3:a:tor:tor:0.1.1.9:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.10 | cpe:2.3:a:tor:tor:0.1.1.10:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.10 | cpe:2.3:a:tor:tor:0.1.1.10:alpha:*:*:*:*:*:* |
| tor | tor | 0.1.1.11 | cpe:2.3:a:tor:tor:0.1.1.11:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.12 | cpe:2.3:a:tor:tor:0.1.1.12:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.13 | cpe:2.3:a:tor:tor:0.1.1.13:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.14 | cpe:2.3:a:tor:tor:0.1.1.14:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.15 | cpe:2.3:a:tor:tor:0.1.1.15:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.16 | cpe:2.3:a:tor:tor:0.1.1.16:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.17 | cpe:2.3:a:tor:tor:0.1.1.17:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.18 | cpe:2.3:a:tor:tor:0.1.1.18:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.19 | cpe:2.3:a:tor:tor:0.1.1.19:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.20 | cpe:2.3:a:tor:tor:0.1.1.20:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.21 | cpe:2.3:a:tor:tor:0.1.1.21:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.22 | cpe:2.3:a:tor:tor:0.1.1.22:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.23 | cpe:2.3:a:tor:tor:0.1.1.23:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.25 | cpe:2.3:a:tor:tor:0.1.1.25:*:*:*:*:*:*:* |
| tor | tor | 0.1.1.26 | cpe:2.3:a:tor:tor:0.1.1.26:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://blog.torproject.org/blog/tor-02225-alpha-out | Patch Vendor Advisory |