Uncontrolled resource consumption vulnerability in Mitsubishi Electoric FA Engineering Software (CPU Module Logging Configuration Tool Ver. 1.94Y and earlier, CW Configurator Ver. 1.010L and earlier, EM Software Development Kit (EM Configurator) Ver. 1.010L and earlier, GT Designer3 (GOT2000) Ver. 1.221F and earlier, GX LogViewer Ver. 1.96A and earlier, GX Works2 Ver. 1.586L and earlier, GX Works3 Ver. 1.058L and earlier, M_CommDTM-HART Ver. 1.00A, M_CommDTM-IO-Link Ver. 1.02C and earlier, MELFA-Works Ver. 4.3 and earlier, MELSEC-L Flexible High-Speed I/O Control Module Configuration Tool Ver.1.004E and earlier, MELSOFT FieldDeviceConfigurator Ver. 1.03D and earlier, MELSOFT iQ AppPortal Ver. 1.11M and earlier, MELSOFT Navigator Ver. 2.58L and earlier, MI Configurator Ver. 1.003D and earlier, Motion Control Setting Ver. 1.005F and earlier, MR Configurator2 Ver. 1.72A and earlier, MT Works2 Ver. 1.156N and earlier, RT ToolBox2 Ver. 3.72A and earlier, and RT ToolBox3 Ver. 1.50C and earlier) allows an attacker to cause a denial of service (DoS) condition attacks via unspecified vectors.
総合評価: CVE-2020-5603 は中リスク（54.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 1.33%、67 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 | 0.49% | 1.33% | +0.84% |
| 2 | 2025-03-30 | 0.59% | 0.49% | -0.10% |
| 3 | 2025-03-29 | — | 0.59% | — |
EPSS の全履歴 （全 9 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mitsubishielectric | cpu_module_logging_configuration_tool | <= 1.94y | cpe:2.3:a:mitsubishielectric:cpu_module_logging_configuration_tool:*:*:*:*:*:*:*:* |
| mitsubishielectric | cw_configurator | <= 1.010l | cpe:2.3:a:mitsubishielectric:cw_configurator:*:*:*:*:*:*:*:* |
| mitsubishielectric | em_configurator | <= 1.010l | cpe:2.3:a:mitsubishielectric:em_configurator:*:*:*:*:*:*:*:* |
| mitsubishielectric | gt_designer3 | <= 1.221f | cpe:2.3:a:mitsubishielectric:gt_designer3:*:*:*:*:*:*:*:* |
| mitsubishielectric | gx_logviewer | <= 1.100e | cpe:2.3:a:mitsubishielectric:gx_logviewer:*:*:*:*:*:*:*:* |
| mitsubishielectric | gx_works2 | <= 1.590q | cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:* |
| mitsubishielectric | gx_works3 | <= 1.060n | cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:* |
| mitsubishielectric | m_commdtm-hart | <= 1.01b | cpe:2.3:a:mitsubishielectric:m_commdtm-hart:*:*:*:*:*:*:*:* |
| mitsubishielectric | m_commdtm-io-link | <= 1.03d | cpe:2.3:a:mitsubishielectric:m_commdtm-io-link:*:*:*:*:*:*:*:* |
| mitsubishielectric | melfa-works | <= 4.4 | cpe:2.3:a:mitsubishielectric:melfa-works:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec-l_flexible_high-speed_i\/o_control_module_configuration_tool | <= 1.005f | cpe:2.3:a:mitsubishielectric:melsec-l_flexible_high-speed_i\/o_control_module_configuration_tool:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsoft_fielddeviceconfigurator | <= 1.04e | cpe:2.3:a:mitsubishielectric:melsoft_fielddeviceconfigurator:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsoft_iq_appportal | <= 1.14q | cpe:2.3:a:mitsubishielectric:melsoft_iq_appportal:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsoft_navigator | <= 2.62q | cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:* |
| mitsubishielectric | mi_configurator | <= 1.004e | cpe:2.3:a:mitsubishielectric:mi_configurator:*:*:*:*:*:*:*:* |
| mitsubishielectric | motion_control_setting | <= 1.006g | cpe:2.3:a:mitsubishielectric:motion_control_setting:*:*:*:*:*:*:*:* |
| mitsubishielectric | mr_configurator2 | <= 1.100e | cpe:2.3:a:mitsubishielectric:mr_configurator2:*:*:*:*:*:*:*:* |
| mitsubishielectric | mt_works2 | <= 1.160s | cpe:2.3:a:mitsubishielectric:mt_works2:*:*:*:*:*:*:*:* |
| mitsubishielectric | rt_toolbox2 | <= 3.73b | cpe:2.3:a:mitsubishielectric:rt_toolbox2:*:*:*:*:*:*:*:* |
| mitsubishielectric | rt_toolbox3 | <= 1.60n | cpe:2.3:a:mitsubishielectric:rt_toolbox3:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://jvn.jp/en/vu/JVNVU90307594/index.html | Third Party Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-004_en.pdf | Mitigation Vendor Advisory |