Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
総合評価: CVE-2018-5407 は悪用リスクが高い（60.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.84%、75 パーセンタイル） 根拠: 公開エクスプロイトが 3 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| 45785 | exploit_db | edb | 2018-11-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-04-13 | 0.64% | 0.84% | +0.20% |
| 2 | 2026-03-04 | 0.31% | 0.64% | +0.33% |
| 3 | 2026-03-01 | — | 0.31% | — |
EPSS の全履歴 （全 43 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 |
|---|---|---|---|---|---|---|
| 4.7 | 3.1 | MEDIUM |
|
1.0 | 3.6 | [email protected] |
| 1.9 | 2.0 | LOW |
|
3.4 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-5407 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-5407 |
gentoo
|
normal | CVE-2018-5407: 1 GLSA(s) (201903-10), 1 atom(s) (dev-libs/openssl); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-5407 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-5407 |
suse
|
medium | CVE-2018-5407 severity moderate: SUSE including 367 source package names (0.9.1:libopenssl1_0_0-1.0.2j-60.46.1, 0.9.1:openssl-1.0.2j-60.46.1, …), 806 product×package rows across 135 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (135 product lines)): Fixed 444, Known Affected 231, Known Not Affected 131. | https://www.suse.com/security/cve/CVE-2018-5407/ |
ubuntu
|
low | CVE-2018-5407 low priority: Ubuntu including 3 source packages (openssl, openssl098, openssl1.0), 30 status rows across 10 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, trusty, upstream, xenial): DNE 16, not-affected 6, released 6, needs-triage 2. | https://ubuntu.com/security/CVE-2018-5407 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| nodejs | node.js | < 6.14.4 | cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* |
| nodejs | node.js | >= 8.0.0, < 8.11.4 | cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* |
| nodejs | node.js | >= 10.0.0, < 10.9.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* |
| openssl | openssl | >= 1.0.2, < 1.0.2q | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| openssl | openssl | >= 1.1.0, < 1.1.0i | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| tenable | nessus | < 8.1.1 | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* |
| oracle | api_gateway | 11.1.2.4.0 | cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:* |
| oracle | application_server | 0.9.8 | cpe:2.3:a:oracle:application_server:0.9.8:*:*:*:*:*:*:* |
| oracle | application_server | 1.0.0 | cpe:2.3:a:oracle:application_server:1.0.0:*:*:*:*:*:*:* |
| oracle | application_server | 1.0.1 | cpe:2.3:a:oracle:application_server:1.0.1:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 12.1.0.5.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:12.1.0.5.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 13.2.0.0.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 13.3.0.0.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.3.3 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:* |
| oracle | mysql_enterprise_backup | <= 3.12.3 | cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* |
| oracle | mysql_enterprise_backup | >= 3.12.4, <= 4.1.2 | cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.55 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.56 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.57 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | >= 17.7, <= 17.12 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:*:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 8.4 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:8.4:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 15.1 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:15.1:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 15.2 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:15.2:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 16.1 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.1:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 16.2 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.2:*:*:*:*:*:*:* |
| oracle | primavera_p6_enterprise_project_portfolio_management | 18.8 | cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:18.8:*:*:*:*:*:*:* |
| oracle | tuxedo | 12.1.1.0.0 | cpe:2.3:a:oracle:tuxedo:12.1.1.0.0:*:*:*:*:*:*:* |
| oracle | vm_virtualbox | < 6.0.0 | cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |