CVE-2021-20600

Summary

CVE	CVE-2021-20600
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2021-10-08 17:15:00 UTC
Updated	2023-05-16 22:50:00 UTC
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.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Mitsubishielectric	R12ccpu-v	-	All	All	All
Operating System	Mitsubishielectric	R12ccpu-v Firmware	All	All	All	All
Operating System	Mitsubishielectric	R12ccpu-v Firmware	All	All	All	All

References

Reference	Source	Link	Tags
Mitsubishi Electric MELSEC iQ-R Series C Controller Module \| CISA	MISC	us-cert.cisa.gov
JVNVU#94914666: 三菱電機製MELSEC iQ-RシリーズC言語コントローラユニットにおけるリソース枯渇の脆弱性	MISC	jvn.jp
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf	MISC	www.mitsubishielectric.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

590651 Mitsubishi Electric MELSEC iQ-R Series C Controller Module (Update A) Denial of Service (DoS) Vulnerability (ICSA-21-280-04)