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CVE-2023-2480

Status: ModifiedHigh (7.8)—

Missing access permissions checks in M-Files Client before 23.5.12598.0 (excluding 23.2 SR2 and newer) allows elevation of privilege via UI extension applications

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)

M-files — M-files

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-2480",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-2480",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-28T18:20:38.235019Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@m-files.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@m-files.com",
      "affectedData": [
        {
          "vendor": "M-Files",
          "product": "M-Files Client",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "23.5.12598.0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "23.2.12340.11"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-05-25T14:15:10.120",
  "references": [
    {
      "url": "https://empower.m-files.com/security-advisories/CVE-2023-2480",
      "source": "security@m-files.com"
    },
    {
      "url": "https://product.m-files.com/security-advisories/cve-2023-2480/",
      "source": "security@m-files.com"
    },
    {
      "url": "https://www.m-files.com/about/trust-center/security-advisories/cve-2023-2480/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "nvd@nist.gov"
    },
    {
      "url": "https://https://www.m-files.com/about/trust-center/security-advisories/cve-2023-2480/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@m-files.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-280"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing access permissions checks in M-Files Client before 23.5.12598.0 (excluding 23.2 SR2 and newer) allows elevation of privilege via UI extension applications"
    }
  ],
  "lastModified": "2026-06-17T05:52:41.127",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:m-files:m-files:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CE9C129E-A2FB-4958-B8C5-E8E6F0EBF1F9",
              "versionEndExcluding": "23.5.12598.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@m-files.com"
}