CVE-2021-20600
5.9 · MEDIUMOverview
CVE-2021-20600 is a medium-severity vulnerability affecting mitsubishielectric r12ccpu-v_firmware. It was published on October 8, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update r12ccpu-v_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 | r12ccpu-v_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-20600?
CVE-2021-20600 is a medium-severity vulnerability affecting mitsubishielectric r12ccpu-v_firmware. It was published on October 8, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2021-20600?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20600?
Check the references section for vendor advisories and patches from mitsubishielectric. Update r12ccpu-v_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-2021-20600?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20600 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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