Session Management Flaw in Mitsubishi Electric MELQIC IU1 Series Firmware
CVE-2020-5543

9.8CRITICAL

Key Information:

Vendor

Mitsubishi Electric Corporation

Status
Mitsubishi Electric Melqic Iu1 Series
Vendor
CVE Published:
16 March 2020

What is CVE-2020-5543?

The firmware in Mitsubishi Electric MELQIC IU1 series, specifically version 1.0.7 and earlier, contains a session management flaw in its TCP function. This security vulnerability can be exploited by remote attackers who send specially crafted packets, potentially leading to disruption of network functions or execution of malicious payloads. It highlights the importance of ensuring that session states are properly handled to prevent unauthorized access and control.

Affected Version(s)

Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier

References

https://jvn.jp/en/vu/JVNVU92370624/index.html
x_refsource_MISC
https://www.mitsubishielectric.co.jp/psirt/vulnerability/...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.