The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
総合評価: CVE-2009-0790 は中リスク（45.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.18%、86 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 | 10.86% | 3.18% | -7.68% |
| 2 | 2025-03-30 | 15.97% | 10.86% | -5.11% |
| 3 | 2025-03-29 | — | 15.97% | — |
EPSS の全履歴 （全 12 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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2009-0790 medium priority: Debian including 1 source packages (strongswan), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2009-0790 |
gentoo
|
normal | CVE-2009-0790: 1 GLSA(s) (200909-05), 1 atom(s) (net-misc/openswan); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-0790 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2009-0790 |
suse
|
medium | CVE-2009-0790 severity moderate: SUSE including 53 source package names (openswan-2.6.16-1.32.1, openswan-doc-2.6.16-1.32.1, …), 138 product×package rows across 33 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (33 product lines)): Fixed 97, Known Not Affected 41. | https://www.suse.com/security/cve/CVE-2009-0790/ |
ubuntu
|
medium | CVE-2009-0790 medium priority: Ubuntu including 2 source packages (openswan, strongswan), 22 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 10, ignored 8, released 3, DNE 1. | https://ubuntu.com/security/CVE-2009-0790 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| strongswan | strongswan | 2.4.0 | cpe:2.3:a:strongswan:strongswan:2.4.0:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.4.0a | cpe:2.3:a:strongswan:strongswan:2.4.0a:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.4.1 | cpe:2.3:a:strongswan:strongswan:2.4.1:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.4.2 | cpe:2.3:a:strongswan:strongswan:2.4.2:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.4.3 | cpe:2.3:a:strongswan:strongswan:2.4.3:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.4.4 | cpe:2.3:a:strongswan:strongswan:2.4.4:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.6.0 | cpe:2.3:a:strongswan:strongswan:2.6.0:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.6.1 | cpe:2.3:a:strongswan:strongswan:2.6.1:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.6.2 | cpe:2.3:a:strongswan:strongswan:2.6.2:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.6.3 | cpe:2.3:a:strongswan:strongswan:2.6.3:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.6.4 | cpe:2.3:a:strongswan:strongswan:2.6.4:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.0 | cpe:2.3:a:strongswan:strongswan:2.8.0:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.1 | cpe:2.3:a:strongswan:strongswan:2.8.1:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.2 | cpe:2.3:a:strongswan:strongswan:2.8.2:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.3 | cpe:2.3:a:strongswan:strongswan:2.8.3:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.4 | cpe:2.3:a:strongswan:strongswan:2.8.4:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.5 | cpe:2.3:a:strongswan:strongswan:2.8.5:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.6 | cpe:2.3:a:strongswan:strongswan:2.8.6:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.7 | cpe:2.3:a:strongswan:strongswan:2.8.7:*:*:*:*:*:*:* |
| strongswan | strongswan | 2.8.8 | cpe:2.3:a:strongswan:strongswan:2.8.8:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.0 | cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.1 | cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.2 | cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.3 | cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.4 | cpe:2.3:a:strongswan:strongswan:4.2.4:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.5 | cpe:2.3:a:strongswan:strongswan:4.2.5:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.6 | cpe:2.3:a:strongswan:strongswan:4.2.6:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.7 | cpe:2.3:a:strongswan:strongswan:4.2.7:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.8 | cpe:2.3:a:strongswan:strongswan:4.2.8:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.9 | cpe:2.3:a:strongswan:strongswan:4.2.9:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.10 | cpe:2.3:a:strongswan:strongswan:4.2.10:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.11 | cpe:2.3:a:strongswan:strongswan:4.2.11:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.12 | cpe:2.3:a:strongswan:strongswan:4.2.12:*:*:*:*:*:*:* |
| strongswan | strongswan | 4.2.13 | cpe:2.3:a:strongswan:strongswan:4.2.13:*:*:*:*:*:*:* |
| 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 | 2.4.9 | 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 | 2.6.03 | 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:*:*:*:*:*:*:* |