GSD-2021-20599

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Cleartext 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 all versions allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.
Aliases
Aliases
CVE-2021-20599
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20599",
    "description": "Authorization bypass through user-controlled key vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows an remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.",
    "id": "GSD-2021-20599"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20599"
      ],
      "details": "Cleartext 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 all versions allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.",
      "id": "GSD-2021-20599",
      "modified": "2023-12-13T01:23:12.434212Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "ID": "CVE-2021-20599",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "MELSEC iQ-R Series Safety CPU R08SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series Safety CPU R16SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series Safety CPU R32SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series Safety CPU R120SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"11\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series SIL2 Process CPU R16PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"11\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series SIL2 Process CPU R32PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"11\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R series SIL2 Process CPU R120PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"11\" and prior"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mitsubishi Electric Corporation"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "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."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-319",
                "lang": "eng",
                "value": "CWE-319 Cleartext Transmission of Sensitive Information"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf",
            "refsource": "MISC",
            "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf"
          },
          {
            "name": "https://jvn.jp/vu/JVNVU98578731",
            "refsource": "MISC",
            "url": "https://jvn.jp/vu/JVNVU98578731"
          },
          {
            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03",
            "refsource": "MISC",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "66D3AC7B-50E0-47D5-B0D1-07329D724EFE",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B185323A-C9E3-48A0-AD28-DA7AC7846E18",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AA81D5C7-46C8-4F0E-9550-D240DC0366F3",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C4BBE066-33C4-4410-85D3-4B77B3773330",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7FB53D61-6C69-4A4A-92B1-C10D0B8F0EC9",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6F6304BE-DAEE-49AB-B0B1-CEE6878CBECE",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8218130C-4E7D-4FB9-976B-2351977C82D4",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "515BDC46-5A1C-4A94-816A-B4751BB1B58D",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5A63D33D-302A-428C-986F-FC3F83CE9C86",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EA37F2FC-8F75-4FEA-882D-87AD5CC1558E",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FFB42739-E503-44B2-A020-0DB2B8791A81",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "17AD5875-B7D7-498B-9484-23049753133E",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3B1F532B-8EAF-4E66-9AF5-5EEFF5A0BC23",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0EC2594C-6067-40BA-B8B2-AEC9B9C7922F",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B2C03EA2-34BF-4F86-A19C-2818788E092B",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CA3FB3E1-D7D3-424B-A207-D3C6F4365D12",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "La vulnerabilidad de transmisi\u00f3n de texto claro de informaci\u00f3n sensible en las versiones de firmware \"26\" y anteriores de la CPU de seguridad R08/16/32/120SFCPU de la serie iQ-R de MELSEC y en la CPU de proceso SIL2 R08/16/32/120PSFCPU de la serie iQ-R de MELSEC, en todas sus versiones, permite que un atacante remoto no autenticado inicie sesi\u00f3n en un m\u00f3dulo de CPU objetivo obteniendo credenciales distintas de la contrase\u00f1a"
          }
        ],
        "id": "CVE-2021-20599",
        "lastModified": "2024-04-18T06:15:06.627",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.2,
              "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
              "type": "Secondary"
            }
          ]
        },
        "published": "2021-10-14T15:15:08.827",
        "references": [
          {
            "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://jvn.jp/vu/JVNVU98578731"
          },
          {
            "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03"
          },
          {
            "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf"
          }
        ],
        "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-319"
              }
            ],
            "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-639"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.