CVE-2020-13238
7.5 · HIGHOverview
CVE-2020-13238 is a high-severity vulnerability affecting mitsubishielectric melsec_iq-r00cpu_firmware. It was published on June 10, 2020 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
Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update melsec_iq-r00cpu_firmware 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 | melsec_iq-r00cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r01cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r02cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r04cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r08cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r16cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r32cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r120cpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r08fcpu_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-r16fcpu_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-13238?
CVE-2020-13238 is a high-severity vulnerability affecting mitsubishielectric melsec_iq-r00cpu_firmware. It was published on June 10, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-13238?
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-2020-13238?
Check the references section for vendor advisories and patches from mitsubishielectric. Update melsec_iq-r00cpu_firmware 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-2020-13238?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-13238 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
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