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JpcertCVE-2020-5545

HistoryMar 16, 2020 - 2:15 a.m.

CVE-2020-5545

2020-03-1602:15:11

jpcert

web.nvd.nist.gov

mitsubishi electric

melqic

iu1 series

firmware vulnerability

remote attack

access restriction bypass

network stop

malware execution

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.009

Percentile

82.8%

JSON

TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to bypass access restriction and to stop the network functions or execute malware via a specially crafted packet.

Affected configurations

Nvd

Vulners

Node

mitsubishielectriciu1-1m20-d_firmwareRange≤1.0.7

AND

mitsubishielectriciu1-1m20-dMatch-

VendorProductVersionCPE
mitsubishielectriciu1-1m20-d_firmware*cpe:2.3:o:mitsubishielectric:iu1-1m20-d_firmware:*:*:*:*:*:*:*:*
mitsubishielectriciu1-1m20-d-cpe:2.3:h:mitsubishielectric:iu1-1m20-d:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mitsubishielectric	iu1-1m20-d_firmware	*	cpe:2.3:o:mitsubishielectric:iu1-1m20-d_firmware::::::::
mitsubishielectric	iu1-1m20-d	-	cpe:2.3:h:mitsubishielectric:iu1-1m20-d:-:::::::*

CNA Affected

[
  {
    "product": "Mitsubishi Electric MELQIC IU1 series",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "IU1-1M20-D firmware version 1.0.7 and earlier"
      }
    ]
  }
]

References

jvn.jp/en/vu/JVNVU92370624/index.html

www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2019-004.pdf

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.009

Percentile

82.8%

JSON

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