Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.
総合評価: CVE-2011-4073 は中リスク（45/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.17%、80 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.02% 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 | 1.15% | 2.17% | +1.02% |
| 2 | 2025-05-30 | 1.25% | 1.15% | -0.10% |
| 3 | 2025-03-30 | — | 1.25% | — |
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 |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2011-4073: 1 GLSA(s) (201203-13), 1 atom(s) (net-misc/openswan); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-4073 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2011-4073 |
ubuntu
|
low | CVE-2011-4073 low priority: Ubuntu including 1 source packages (openswan), 10 status rows across 10 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): not-affected 4, ignored 3, released 3. | https://ubuntu.com/security/CVE-2011-4073 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| xelerance | openswan | 2.3.0 | cpe:2.3:a:xelerance:openswan:2.3.0:*:*:*:*:*:*:* |
| xelerance | openswan | 2.3.1 | cpe:2.3:a:xelerance:openswan:2.3.1:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.0 | cpe:2.3:a:xelerance:openswan:2.4.0:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.1 | cpe:2.3:a:xelerance:openswan:2.4.1:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.2 | cpe:2.3:a:xelerance:openswan:2.4.2:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.3 | cpe:2.3:a:xelerance:openswan:2.4.3:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.4 | cpe:2.3:a:xelerance:openswan:2.4.4:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.5 | cpe:2.3:a:xelerance:openswan:2.4.5:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.6 | cpe:2.3:a:xelerance:openswan:2.4.6:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.7 | cpe:2.3:a:xelerance:openswan:2.4.7:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.8 | cpe:2.3:a:xelerance:openswan:2.4.8:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.9 | cpe:2.3:a:xelerance:openswan:2.4.9:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.10 | cpe:2.3:a:xelerance:openswan:2.4.10:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.11 | cpe:2.3:a:xelerance:openswan:2.4.11:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.12 | cpe:2.3:a:xelerance:openswan:2.4.12:*:*:*:*:*:*:* |
| xelerance | openswan | 2.4.13 | cpe:2.3:a:xelerance:openswan:2.4.13:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.0 | cpe:2.3:a:xelerance:openswan:2.5.0:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.0 | cpe:2.3:a:xelerance:openswan:2.5.0:sbs4:*:*:*:*:*:* |
| xelerance | openswan | 2.5.0 | cpe:2.3:a:xelerance:openswan:2.5.0:sbs5:*:*:*:*:*:* |
| xelerance | openswan | 2.5.01 | cpe:2.3:a:xelerance:openswan:2.5.01:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.02 | cpe:2.3:a:xelerance:openswan:2.5.02:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.03 | cpe:2.3:a:xelerance:openswan:2.5.03:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.04 | cpe:2.3:a:xelerance:openswan:2.5.04:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.05 | cpe:2.3:a:xelerance:openswan:2.5.05:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.06 | cpe:2.3:a:xelerance:openswan:2.5.06:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.07 | cpe:2.3:a:xelerance:openswan:2.5.07:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.08 | cpe:2.3:a:xelerance:openswan:2.5.08:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.09 | cpe:2.3:a:xelerance:openswan:2.5.09:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.10 | cpe:2.3:a:xelerance:openswan:2.5.10:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.11 | cpe:2.3:a:xelerance:openswan:2.5.11:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.12 | cpe:2.3:a:xelerance:openswan:2.5.12:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.13 | cpe:2.3:a:xelerance:openswan:2.5.13:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.14 | cpe:2.3:a:xelerance:openswan:2.5.14:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.15 | cpe:2.3:a:xelerance:openswan:2.5.15:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.16 | cpe:2.3:a:xelerance:openswan:2.5.16:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.17 | cpe:2.3:a:xelerance:openswan:2.5.17:*:*:*:*:*:*:* |
| xelerance | openswan | 2.5.18 | cpe:2.3:a:xelerance:openswan:2.5.18:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.01 | cpe:2.3:a:xelerance:openswan:2.6.01:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.02 | cpe:2.3:a:xelerance:openswan:2.6.02:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.03 | cpe:2.3:a:xelerance:openswan:2.6.03:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.04 | cpe:2.3:a:xelerance:openswan:2.6.04:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.05 | cpe:2.3:a:xelerance:openswan:2.6.05:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.06 | cpe:2.3:a:xelerance:openswan:2.6.06:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.07 | cpe:2.3:a:xelerance:openswan:2.6.07:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.08 | cpe:2.3:a:xelerance:openswan:2.6.08:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.09 | cpe:2.3:a:xelerance:openswan:2.6.09:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.10 | cpe:2.3:a:xelerance:openswan:2.6.10:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.11 | cpe:2.3:a:xelerance:openswan:2.6.11:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.12 | cpe:2.3:a:xelerance:openswan:2.6.12:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.13 | cpe:2.3:a:xelerance:openswan:2.6.13:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.14 | cpe:2.3:a:xelerance:openswan:2.6.14:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.15 | cpe:2.3:a:xelerance:openswan:2.6.15:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.16 | cpe:2.3:a:xelerance:openswan:2.6.16:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.17 | cpe:2.3:a:xelerance:openswan:2.6.17:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.18 | cpe:2.3:a:xelerance:openswan:2.6.18:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.19 | cpe:2.3:a:xelerance:openswan:2.6.19:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.20 | cpe:2.3:a:xelerance:openswan:2.6.20:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.21 | cpe:2.3:a:xelerance:openswan:2.6.21:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.22 | cpe:2.3:a:xelerance:openswan:2.6.22:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.23 | cpe:2.3:a:xelerance:openswan:2.6.23:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.24 | cpe:2.3:a:xelerance:openswan:2.6.24:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.25 | cpe:2.3:a:xelerance:openswan:2.6.25:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.26 | cpe:2.3:a:xelerance:openswan:2.6.26:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.27 | cpe:2.3:a:xelerance:openswan:2.6.27:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.28 | cpe:2.3:a:xelerance:openswan:2.6.28:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.29 | cpe:2.3:a:xelerance:openswan:2.6.29:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.30 | cpe:2.3:a:xelerance:openswan:2.6.30:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.31 | cpe:2.3:a:xelerance:openswan:2.6.31:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.32 | cpe:2.3:a:xelerance:openswan:2.6.32:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.33 | cpe:2.3:a:xelerance:openswan:2.6.33:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.34 | cpe:2.3:a:xelerance:openswan:2.6.34:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.35 | cpe:2.3:a:xelerance:openswan:2.6.35:*:*:*:*:*:*:* |
| xelerance | openswan | 2.6.36 | cpe:2.3:a:xelerance:openswan:2.6.36:*:*:*:*:*:*:* |