Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite or obtain the configuration information of the affected device. Note that updates are provided only for Late model of CFR-4EABC, CFR-4EAB, CFR-8EAB, CFR-16EAB, MD-404AB, and MD-808AB. As for the other products, apply the workaround.
総合評価: CVE-2023-47674 は中リスク(62.5/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 1.26%、66 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 | 2026-06-15 | 1.02% | 1.26% | +0.24% |
| 2 | 2025-11-21 | 0.49% | 1.02% | +0.53% |
| 3 | 2025-11-18 | — | 0.49% | — |
EPSS の全履歴 (全 10 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| c-first | cfr-1004ea_firmware | — | cpe:2.3:o:c-first:cfr-1004ea_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-1008ea_firmware | — | cpe:2.3:o:c-first:cfr-1008ea_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-1016ea_firmware | — | cpe:2.3:o:c-first:cfr-1016ea_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-16eaa_firmware | — | cpe:2.3:o:c-first:cfr-16eaa_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-16eab_firmware | — | cpe:2.3:o:c-first:cfr-16eab_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-16eha_firmware | — | cpe:2.3:o:c-first:cfr-16eha_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-16ehd_firmware | — | cpe:2.3:o:c-first:cfr-16ehd_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4eaa_firmware | — | cpe:2.3:o:c-first:cfr-4eaa_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4eaam_firmware | — | cpe:2.3:o:c-first:cfr-4eaam_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4eab_firmware | — | cpe:2.3:o:c-first:cfr-4eab_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4eabc_firmware | — | cpe:2.3:o:c-first:cfr-4eabc_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4eha_firmware | — | cpe:2.3:o:c-first:cfr-4eha_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-4ehd_firmware | — | cpe:2.3:o:c-first:cfr-4ehd_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-8eaa_firmware | — | cpe:2.3:o:c-first:cfr-8eaa_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-8eab_firmware | — | cpe:2.3:o:c-first:cfr-8eab_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-8eha_firmware | — | cpe:2.3:o:c-first:cfr-8eha_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-8ehd_firmware | — | cpe:2.3:o:c-first:cfr-8ehd_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-904e_firmware | — | cpe:2.3:o:c-first:cfr-904e_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-908e_firmware | — | cpe:2.3:o:c-first:cfr-908e_firmware:-:*:*:*:*:*:*:* |
| c-first | cfr-916e_firmware | — | cpe:2.3:o:c-first:cfr-916e_firmware:-:*:*:*:*:*:*:* |
| c-first | md-404aa_firmware | — | cpe:2.3:o:c-first:md-404aa_firmware:-:*:*:*:*:*:*:* |
| c-first | md-404ab_firmware | — | cpe:2.3:o:c-first:md-404ab_firmware:-:*:*:*:*:*:*:* |
| c-first | md-404ha_firmware | — | cpe:2.3:o:c-first:md-404ha_firmware:-:*:*:*:*:*:*:* |
| c-first | md-404hd_firmware | — | cpe:2.3:o:c-first:md-404hd_firmware:-:*:*:*:*:*:*:* |
| c-first | md-808aa_firmware | — | cpe:2.3:o:c-first:md-808aa_firmware:-:*:*:*:*:*:*:* |
| c-first | md-808ab_firmware | — | cpe:2.3:o:c-first:md-808ab_firmware:-:*:*:*:*:*:*:* |
| c-first | md-808ha_firmware | — | cpe:2.3:o:c-first:md-808ha_firmware:-:*:*:*:*:*:*:* |
| c-first | md-808hd_firmware | — | cpe:2.3:o:c-first:md-808hd_firmware:-:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://jvn.jp/en/vu/JVNVU99077347/ | Third Party Advisory |
| https://www.c-first.co.jp/information/ddososhirase/ | Vendor Advisory |
| https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf | Vendor Advisory |