Vulnerability Report

CVE-2020-5546

Title: Mitsubishi Electric MELQIC IU1 series IU1-1M20-D Argument Injection

Other

Proof Of Concept

No public PoC currently indexed for CVE-2020-5546.

CWE Category CWE-88
Published Date Mar 16, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 8.8 CVSS v3.1
Exploit Probability (EPSS)
0.90%

Vulnerability Summary

CVE-2020-5546: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows an attacker on the same network segment to stop the network functions or execute malware via a specially crafted packet.

Impacted Vendors

M
mitsubishielectric 1

Reference Links

https://jvn.jp/en/vu/JVNVU92370624/index.html https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf https://jvn.jp/en/vu/JVNVU92370624/index.html https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:A/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-5546 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector ADJACENT_NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.