OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.
総合評価: CVE-2005-3409 は中リスク（48.8/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.51%、84 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 | 2025-03-30 | 3.12% | 2.51% | -0.60% |
| 2 | 2025-03-29 | 2.51% | 3.12% | +0.60% |
| 3 | 2025-03-17 | — | 2.51% | — |
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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2005-3409 low priority: Debian including 1 source packages (openvpn), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-3409 |
gentoo
|
normal | CVE-2005-3409: 1 GLSA(s) (200511-07), 1 atom(s) (net-misc/openvpn); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-3409 |
suse
|
medium | CVE-2005-3409 severity moderate: SUSE including 11 source package names (openvpn, openvpn-2.5.3-1.2, …), 38 product×package rows across 16 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (16 product lines)): Known Not Affected 30, Fixed 8. | https://www.suse.com/security/cve/CVE-2005-3409/ |
ubuntu
|
medium | CVE-2005-3409 medium priority: Ubuntu including 1 source packages (openvpn), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-3409 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openvpn | openvpn | 2.0 | cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc1 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc2 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc2:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc3 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc3:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc4 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc4:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc5 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc5:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc6 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc6:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.1_rc7 | cpe:2.3:a:openvpn:openvpn:2.0.1_rc7:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.2_rc1 | cpe:2.3:a:openvpn:openvpn:2.0.2_rc1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0.3_rc1 | cpe:2.3:a:openvpn:openvpn:2.0.3_rc1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta1 | cpe:2.3:a:openvpn:openvpn:2.0_beta1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta2 | cpe:2.3:a:openvpn:openvpn:2.0_beta2:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta3 | cpe:2.3:a:openvpn:openvpn:2.0_beta3:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta4 | cpe:2.3:a:openvpn:openvpn:2.0_beta4:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta5 | cpe:2.3:a:openvpn:openvpn:2.0_beta5:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta6 | cpe:2.3:a:openvpn:openvpn:2.0_beta6:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta7 | cpe:2.3:a:openvpn:openvpn:2.0_beta7:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta8 | cpe:2.3:a:openvpn:openvpn:2.0_beta8:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta9 | cpe:2.3:a:openvpn:openvpn:2.0_beta9:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta10 | cpe:2.3:a:openvpn:openvpn:2.0_beta10:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta11 | cpe:2.3:a:openvpn:openvpn:2.0_beta11:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta12 | cpe:2.3:a:openvpn:openvpn:2.0_beta12:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta13 | cpe:2.3:a:openvpn:openvpn:2.0_beta13:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta15 | cpe:2.3:a:openvpn:openvpn:2.0_beta15:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta16 | cpe:2.3:a:openvpn:openvpn:2.0_beta16:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta17 | cpe:2.3:a:openvpn:openvpn:2.0_beta17:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta18 | cpe:2.3:a:openvpn:openvpn:2.0_beta18:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta19 | cpe:2.3:a:openvpn:openvpn:2.0_beta19:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta20 | cpe:2.3:a:openvpn:openvpn:2.0_beta20:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_beta28 | cpe:2.3:a:openvpn:openvpn:2.0_beta28:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc1 | cpe:2.3:a:openvpn:openvpn:2.0_rc1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc2 | cpe:2.3:a:openvpn:openvpn:2.0_rc2:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc3 | cpe:2.3:a:openvpn:openvpn:2.0_rc3:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc4 | cpe:2.3:a:openvpn:openvpn:2.0_rc4:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc5 | cpe:2.3:a:openvpn:openvpn:2.0_rc5:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc6 | cpe:2.3:a:openvpn:openvpn:2.0_rc6:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc7 | cpe:2.3:a:openvpn:openvpn:2.0_rc7:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc8 | cpe:2.3:a:openvpn:openvpn:2.0_rc8:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc9 | cpe:2.3:a:openvpn:openvpn:2.0_rc9:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc10 | cpe:2.3:a:openvpn:openvpn:2.0_rc10:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc11 | cpe:2.3:a:openvpn:openvpn:2.0_rc11:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc12 | cpe:2.3:a:openvpn:openvpn:2.0_rc12:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc13 | cpe:2.3:a:openvpn:openvpn:2.0_rc13:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc14 | cpe:2.3:a:openvpn:openvpn:2.0_rc14:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc15 | cpe:2.3:a:openvpn:openvpn:2.0_rc15:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc16 | cpe:2.3:a:openvpn:openvpn:2.0_rc16:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc17 | cpe:2.3:a:openvpn:openvpn:2.0_rc17:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc18 | cpe:2.3:a:openvpn:openvpn:2.0_rc18:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc19 | cpe:2.3:a:openvpn:openvpn:2.0_rc19:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc20 | cpe:2.3:a:openvpn:openvpn:2.0_rc20:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_rc21 | cpe:2.3:a:openvpn:openvpn:2.0_rc21:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test1 | cpe:2.3:a:openvpn:openvpn:2.0_test1:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test2 | cpe:2.3:a:openvpn:openvpn:2.0_test2:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test3 | cpe:2.3:a:openvpn:openvpn:2.0_test3:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test5 | cpe:2.3:a:openvpn:openvpn:2.0_test5:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test6 | cpe:2.3:a:openvpn:openvpn:2.0_test6:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test7 | cpe:2.3:a:openvpn:openvpn:2.0_test7:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test8 | cpe:2.3:a:openvpn:openvpn:2.0_test8:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test9 | cpe:2.3:a:openvpn:openvpn:2.0_test9:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test10 | cpe:2.3:a:openvpn:openvpn:2.0_test10:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test11 | cpe:2.3:a:openvpn:openvpn:2.0_test11:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test12 | cpe:2.3:a:openvpn:openvpn:2.0_test12:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test14 | cpe:2.3:a:openvpn:openvpn:2.0_test14:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test15 | cpe:2.3:a:openvpn:openvpn:2.0_test15:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test16 | cpe:2.3:a:openvpn:openvpn:2.0_test16:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test17 | cpe:2.3:a:openvpn:openvpn:2.0_test17:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test18 | cpe:2.3:a:openvpn:openvpn:2.0_test18:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test19 | cpe:2.3:a:openvpn:openvpn:2.0_test19:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test20 | cpe:2.3:a:openvpn:openvpn:2.0_test20:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test21 | cpe:2.3:a:openvpn:openvpn:2.0_test21:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test22 | cpe:2.3:a:openvpn:openvpn:2.0_test22:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test23 | cpe:2.3:a:openvpn:openvpn:2.0_test23:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test24 | cpe:2.3:a:openvpn:openvpn:2.0_test24:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test26 | cpe:2.3:a:openvpn:openvpn:2.0_test26:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test27 | cpe:2.3:a:openvpn:openvpn:2.0_test27:*:*:*:*:*:*:* |
| openvpn | openvpn | 2.0_test29 | cpe:2.3:a:openvpn:openvpn:2.0_test29:*:*:*:*:*:*:* |
| openvpn | openvpn_access_server | 2.0.1 | cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:*:*:*:*:*:*:* |
| openvpn | openvpn_access_server | 2.0.2 | cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:*:*:*:*:*:*:* |