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CVE-2022-29833

Status: ModifiedMedium (6.5)—

Insufficiently Protected Credentials vulnerability in Mitsubishi Electric Corporation GX Works3 versions 1.015R and later allows a remote unauthenticated attacker to disclose sensitive information. As a result, unauthenticated users could access to MELSEC safety CPU modules illgally.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mitsubishielectric — GX Works3

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-29833",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-29833",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-25T17:35:46.757950Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "affectedData": [
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "GX Works3",
          "versions": [
            {
              "status": "affected",
              "version": "1.015R and later"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2022-11-25T00:15:10.580",
  "references": [
    {
      "url": "https://jvn.jp/vu/JVNVU97244961",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-05",
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
    },
    {
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-015_en.pdf",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
    },
    {
      "url": "https://jvn.jp/vu/JVNVU97244961",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-05",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-015_en.pdf",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficiently Protected Credentials vulnerability in Mitsubishi Electric Corporation GX Works3 versions 1.015R and later allows a remote unauthenticated attacker to disclose sensitive information. As a result, unauthenticated users could access to MELSEC safety CPU modules illgally."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de credenciales insuficientemente protegidas en Mitsubishi Electric Corporation GX Works3 versiones 1.015R y posteriores permite que un atacante remoto no autenticado revele información sensible. Como resultado, los usuarios no autenticados podrían acceder ilegalmente a los módulos de CPU de seguridad de MELSEC."
    }
  ],
  "lastModified": "2026-06-17T04:40:47.640",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "56BD062B-0D41-42E2-B9EF-B7FBB514CFF9",
              "versionEndIncluding": "1.086q",
              "versionStartIncluding": "1.015r"
            },
            {
              "criteria": "cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7C6A654-1B83-4743-8DDE-B8C5AA5C4D2A",
              "versionStartIncluding": "1.087r"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
}