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MitsubishiCVE-2021-20613

HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-20613

2022-01-1420:15:09

CWE-665

Mitsubishi

web.nvd.nist.gov

cve-2021-20613

vulnerability

melsec-f series

firmware

dos

remote attack

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.2%

JSON

Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.

Affected configurations

Nvd

Node

mitsubishielectricfx3u-enetMatch-

AND

mitsubishielectricfx3u-enet_firmwareRange≤1.16

Node

mitsubishielectricfx3u-enet-lMatch-

AND

mitsubishielectricfx3u-enet-l_firmwareRange≤1.16

Node

mitsubishielectricfx3u-enet-p502Match-

AND

mitsubishielectricfx3u-enet-p502_firmwareRange≤1.16

VendorProductVersionCPE
mitsubishielectricfx3u-enet-cpe:2.3:h:mitsubishielectric:fx3u-enet:-:*:*:*:*:*:*:*
mitsubishielectricfx3u-enet_firmware*cpe:2.3:o:mitsubishielectric:fx3u-enet_firmware:*:*:*:*:*:*:*:*
mitsubishielectricfx3u-enet-l-cpe:2.3:h:mitsubishielectric:fx3u-enet-l:-:*:*:*:*:*:*:*
mitsubishielectricfx3u-enet-l_firmware*cpe:2.3:o:mitsubishielectric:fx3u-enet-l_firmware:*:*:*:*:*:*:*:*
mitsubishielectricfx3u-enet-p502-cpe:2.3:h:mitsubishielectric:fx3u-enet-p502:-:*:*:*:*:*:*:*
mitsubishielectricfx3u-enet-p502_firmware*cpe:2.3:o:mitsubishielectric:fx3u-enet-p502_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mitsubishielectric	fx3u-enet	-	cpe:2.3:h:mitsubishielectric:fx3u-enet:-:::::::*
mitsubishielectric	fx3u-enet_firmware	*	cpe:2.3:o:mitsubishielectric:fx3u-enet_firmware::::::::
mitsubishielectric	fx3u-enet-l	-	cpe:2.3:h:mitsubishielectric:fx3u-enet-l:-:::::::*
mitsubishielectric	fx3u-enet-l_firmware	*	cpe:2.3:o:mitsubishielectric:fx3u-enet-l_firmware::::::::
mitsubishielectric	fx3u-enet-p502	-	cpe:2.3:h:mitsubishielectric:fx3u-enet-p502:-:::::::*
mitsubishielectric	fx3u-enet-p502_firmware	*	cpe:2.3:o:mitsubishielectric:fx3u-enet-p502_firmware::::::::

CNA Affected

[
  {
    "product": "MELSEC-F series FX3U-ENET; MELSEC-F series FX3U-ENET-L; MELSEC-F series FX3U-ENET-P502",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware version 1.16 and prior"
      }
    ]
  }
]

References

jvn.jp/vu/JVNVU93268332/index.html

www.cisa.gov/uscert/ics/advisories/icsa-22-013-07

www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.2%

JSON

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