Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.
総合評価: CVE-2020-8703 は中リスク（44.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.26%、49 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 | 2025-11-21 | 0.14% | 0.26% | +0.12% |
| 2 | 2025-11-18 | 0.24% | 0.14% | -0.10% |
| 3 | 2025-10-01 | — | 0.24% | — |
EPSS の全履歴 （全 11 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 |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.9 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| intel | converged_security_and_manageability_engine | < 12.0.81 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 13.0.47 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 13.30.17 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 14.1.53 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 14.5.32 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 11.8.86 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 11.12.86 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 11.22.86 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| intel | converged_security_and_manageability_engine | < 15.0.22 | cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* |
| netapp | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| siemens | simatic_field_pg_m6_firmware | — | cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_field_pg_m5_firmware | — | cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc427e_firmware | — | cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc477e_firmware | — | cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc477e_pro_firmware | — | cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc527g_firmware | — | cpe:2.3:o:siemens:simatic_ipc527g_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc547g_firmware | — | cpe:2.3:o:siemens:simatic_ipc547g_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc627e_firmware | < 25.02.10 | cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc647e_firmware | < 25.02.10 | cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc677e_firmware | < 25.02.10 | cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc847e_firmware | < 25.02.10 | cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itp1000_firmware | — | cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210611-0004/ | Third Party Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html | Vendor Advisory |