Vulnerability Details CVE-2021-20600
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.5%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 7.1
References
- https://jvn.jp/vu/JVNVU94914666/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf
- https://jvn.jp/vu/JVNVU94914666/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf
Products affected by CVE-2021-20600
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cpe:2.3:h:mitsubishielectric:r12ccpu-v:-
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cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:11