CVE-2021-20587
7.5 · HIGHOverview
CVE-2021-20587 is a high-severity vulnerability affecting mitsubishielectric c_controller_module_setting_and_monitoring_tool. It was published on February 19, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Heap-based buffer overflow vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and prior, CW Configurator versions 1.011M and prior, Data Transfer versions 3.44W and prior, EZSocket versions 5.4 and prior, FR Configurator all versions, FR Configurator SW3 all versions, FR Configurator2 versions 1.24A and prior, GT Designer3 Version1(GOT1000) versions 1.250L and prior, GT Designer3 Version1(GOT2000) versions 1.250L and prior, GT SoftGOT1000 Version3 versions 3.245F and prior, GT SoftGOT2000 Version1 versions 1.250L and prior, GX Configurator-DP versions 7.14Q and prior, GX Configurator-QP all versions, GX Developer versions 8.506C and prior, GX Explorer all versions, GX IEC Developer all versions, GX LogViewer versions 1.115U and prior, GX RemoteService-I all versions, GX Works2 versions 1.597X and prior, GX Works3 versions 1.070Y and prior, iQ Monozukuri ANDON (Data Transfer) versions 1.003D and prior, iQ Monozukuri Proces
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update c_controller_module_setting_and_monitoring_tool to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mitsubishielectric | cpu_module_logging_configuration_tool | 0 | Affected |
| mitsubishielectric | cw_configurator | 0 | Affected |
| mitsubishielectric | data_transfer | 0 | Affected |
| mitsubishielectric | fr_configurator2 | 0 | Affected |
| mitsubishielectric | gt_designer3 | 0 | Affected |
| mitsubishielectric | gt_softgot1000 | 0 | Affected |
| mitsubishielectric | gt_softgot2000 | 0 | Affected |
| mitsubishielectric | gx_configurator-dp | 0 | Affected |
| mitsubishielectric | gx_developer | 0 | Affected |
| mitsubishielectric | gx_logviewer | 0 | Affected |
| mitsubishielectric | gx_works2 | 0 | Affected |
| mitsubishielectric | gx_works3 | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-20587?
CVE-2021-20587 is a high-severity vulnerability affecting mitsubishielectric c_controller_module_setting_and_monitoring_tool. It was published on February 19, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-20587?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20587?
Check the references section for vendor advisories and patches from mitsubishielectric. Update c_controller_module_setting_and_monitoring_tool to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20587?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20587 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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