GHSA-wp3j-rvfp-624h · 深刻度： high · エコシステム： rubygems — RubyGems vulnerable to DNS hijack attack
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
総合評価: CVE-2015-3900 は中リスク（58.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 8.93%、95 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +6.53% 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: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2.40% | 8.93% | +6.53% |
| 2 | 2026-03-04 | 4.03% | 2.40% | -1.63% |
| 3 | 2026-03-01 | — | 4.03% | — |
EPSS の全履歴 （全 41 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] |
GHSA-wp3j-rvfp-624h · 深刻度： high · エコシステム： rubygems — RubyGems vulnerable to DNS hijack attack
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2015-3900 unimportant priority: Debian including 2 source packages (jruby, rubygems), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 9. | https://security-tracker.debian.org/tracker/CVE-2015-3900 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2015-3900 |
suse
|
medium | CVE-2015-3900 severity moderate: SUSE including 39 source package names (4.0.0:libruby2_1-2_1-2.1.9-15.1, 4.0.0:ruby2.1-2.1.9-15.1, …), 306 product×package rows across 83 product lines (Container caasp/v4/velum, HPE Helion OpenStack 8, … (83 product lines)): Known Not Affected 180, Fixed 126. | https://www.suse.com/security/cve/CVE-2015-3900/ |
ubuntu
|
low | CVE-2015-3900 low priority: Ubuntu including 8 source packages (jruby, libgems-ruby, …), 48 status rows across 6 suites (precise, trusty, upstream, utopic, vivid, wily): DNE 26, not-affected 16, released 3, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2015-3900 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| ruby-lang | ruby | 1.9 | cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.9.1 | cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.9.2 | cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.9.3 | cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.0.0 | cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1 | cpe:2.3:a:ruby-lang:ruby:2.1:-:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1.1 | cpe:2.3:a:ruby-lang:ruby:2.1.1:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1.2 | cpe:2.3:a:ruby-lang:ruby:2.1.2:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1.3 | cpe:2.3:a:ruby-lang:ruby:2.1.3:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1.4 | cpe:2.3:a:ruby-lang:ruby:2.1.4:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.1.5 | cpe:2.3:a:ruby-lang:ruby:2.1.5:*:*:*:*:*:*:* |
| ruby-lang | ruby | 2.2.0 | cpe:2.3:a:ruby-lang:ruby:2.2.0:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.0 | cpe:2.3:a:rubygems:rubygems:2.0.0:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.1 | cpe:2.3:a:rubygems:rubygems:2.0.1:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.2 | cpe:2.3:a:rubygems:rubygems:2.0.2:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.3 | cpe:2.3:a:rubygems:rubygems:2.0.3:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.4 | cpe:2.3:a:rubygems:rubygems:2.0.4:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.5 | cpe:2.3:a:rubygems:rubygems:2.0.5:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.6 | cpe:2.3:a:rubygems:rubygems:2.0.6:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.7 | cpe:2.3:a:rubygems:rubygems:2.0.7:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.8 | cpe:2.3:a:rubygems:rubygems:2.0.8:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.9 | cpe:2.3:a:rubygems:rubygems:2.0.9:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.10 | cpe:2.3:a:rubygems:rubygems:2.0.10:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.11 | cpe:2.3:a:rubygems:rubygems:2.0.11:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.12 | cpe:2.3:a:rubygems:rubygems:2.0.12:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.13 | cpe:2.3:a:rubygems:rubygems:2.0.13:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.14 | cpe:2.3:a:rubygems:rubygems:2.0.14:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.0.15 | cpe:2.3:a:rubygems:rubygems:2.0.15:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.2.0 | cpe:2.3:a:rubygems:rubygems:2.2.0:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.2.1 | cpe:2.3:a:rubygems:rubygems:2.2.1:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.2.2 | cpe:2.3:a:rubygems:rubygems:2.2.2:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.2.3 | cpe:2.3:a:rubygems:rubygems:2.2.3:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.0 | cpe:2.3:a:rubygems:rubygems:2.4.0:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.1 | cpe:2.3:a:rubygems:rubygems:2.4.1:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.2 | cpe:2.3:a:rubygems:rubygems:2.4.2:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.3 | cpe:2.3:a:rubygems:rubygems:2.4.3:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.4 | cpe:2.3:a:rubygems:rubygems:2.4.4:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.5 | cpe:2.3:a:rubygems:rubygems:2.4.5:*:*:*:*:*:*:* |
| rubygems | rubygems | 2.4.6 | cpe:2.3:a:rubygems:rubygems:2.4.6:*:*:*:*:*:*:* |
| oracle | solaris | 11.3 | cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 6.0 | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |