The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel attack that can be used for full password recovery. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.
総合評価: CVE-2019-9494 は中リスク(56.8/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 3.74%、88 パーセンタイル) 根拠: 直近 1 日で EPSS が +2.22% 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 | 1.52% | 3.74% | +2.22% |
| 2 | 2026-05-29 | 1.45% | 1.52% | +0.07% |
| 3 | 2026-04-24 | — | 1.45% | — |
EPSS の全履歴 (全 33 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 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2019-9494: 2 source package rows (hostapd, wpa_supplicant); 30 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 15, open 15. | https://security.alpinelinux.org/vuln/CVE-2019-9494 |
debian
|
not yet assigned | CVE-2019-9494 not yet assigned priority: Debian including 1 source packages (wpa), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-9494 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2019-9494 |
suse
|
high | CVE-2019-9494 severity important: SUSE including 26 source package names (hostapd-2.9-6.2, hostapd-2.9-bp150.15.1, …), 80 product×package rows across 75 product lines (Container rancher/elemental-teal-rt/5.3, Container rancher/elemental-teal-rt/5.4, … (75 product lines)): Fixed 72, Known Not Affected 8. | https://www.suse.com/security/cve/CVE-2019-9494/ |
ubuntu
|
medium | CVE-2019-9494 medium priority: Ubuntu including 2 source packages (wpa, wpasupplicant), 10 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): DNE 4, not-affected 4, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2019-9494 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| w1.fi | hostapd | <= 2.7 | cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:* |
| w1.fi | wpa_supplicant | <= 2.7 | cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 28 | cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* |
| fedoraproject | fedora | 29 | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* |
| fedoraproject | fedora | 30 | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
| opensuse | backports_sle | 15.0 | cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:* |
| opensuse | backports_sle | 15.0 | cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* |
| opensuse | leap | 15.1 | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
| synology | radius_server | 3.0 | cpe:2.3:a:synology:radius_server:3.0:*:*:*:*:*:*:* |
| synology | router_manager | < 1.2.3-8087 | cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p3:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p6:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p7:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p8:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:p9:*:*:*:*:*:* |
| freebsd | freebsd | 11.2 | cpe:2.3:o:freebsd:freebsd:11.2:rc3:*:*:*:*:*:* |
| freebsd | freebsd | 12.0 | cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* |
| freebsd | freebsd | 12.0 | cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* |
| freebsd | freebsd | 12.0 | cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:* |
| freebsd | freebsd | 12.0 | cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:* |