Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.
総合評価: CVE-2015-7575 は中リスク（55.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.90%、85 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.83% 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 | 1.07% | 2.90% | +1.83% |
| 2 | 2026-05-24 | 1.51% | 1.07% | -0.44% |
| 3 | 2026-03-30 | — | 1.51% | — |
EPSS の全履歴 （全 16 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 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-7575 not yet assigned priority: Debian including 4 source packages (gnutls28, nss, openjdk-8, openssl), 16 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 16. | https://security-tracker.debian.org/tracker/CVE-2015-7575 |
gentoo
|
normal | CVE-2015-7575: 4 GLSA(s) (201605-06, 201701-46, 201706-18, 201801-15), 8 atom(s) (dev-libs/nspr, dev-libs/nss, …); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-7575 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-7575 |
suse
|
medium | CVE-2015-7575 severity moderate: SUSE including 874 source package names (MozillaFirefox-102.11.0-150200.152.87.1, MozillaFirefox-115.10.0-150200.152.134.1, …), 1267 product×package rows across 109 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (109 product lines)): Fixed 1095, Known Affected 157, Known Not Affected 15. | https://www.suse.com/security/cve/CVE-2015-7575/ |
ubuntu
|
medium | CVE-2015-7575 medium priority: Ubuntu including 12 source packages (firefox, gnutls26, …), 143 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 46, released 46, not-affected 41, ignored 6, needs-triage 4. | https://ubuntu.com/security/CVE-2015-7575 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | network_security_services | <= 3.20.1 | cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0 | cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0.1 | cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0.5 | cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* |
| mozilla | firefox | 38.1.0 | cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.1.1 | cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.2.0 | cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.2.1 | cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.3.0 | cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.4.0 | cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.5.0 | cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.5.1 | cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 15.04 | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 15.10 | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* |
| mozilla | firefox | <= 43.0.1 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |