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MitsubishiCVELIST:CVE-2021-20599

HistoryOct 14, 2021 - 12:00 a.m.

CVE-2021-20599

2021-10-1400:00:00

CWE-319

Mitsubishi

www.cve.org

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.8%

JSON

Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions “26” and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions “11” and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R Series Safety CPU R08SFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"26\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series Safety CPU R16SFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"26\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series Safety CPU R32SFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"26\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series Safety CPU R120SFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"26\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"11\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series SIL2 Process CPU R16PSFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"11\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series SIL2 Process CPU R32PSFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"11\" and prior"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "MELSEC iQ-R series SIL2 Process CPU R120PSFCPU",
    "vendor": "Mitsubishi Electric Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware versions \"11\" and prior"
      }
    ]
  }
]

References

jvn.jp/vu/JVNVU98578731

www.cisa.gov/uscert/ics/advisories/icsa-21-287-03

www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.8%

JSON

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