{
  "id": "CVE-2023-28643",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2023-03-30T19:15:06.607",
  "lastModified": "2023-04-06T19:03:25.907",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will replace the first one instead of being renamed to `{name} (2)`. It is recommended that the Nextcloud Server is upgraded to 25.0.3 or 24.0.9. Users unable to upgrade should avoid sharing 2 folders with the same name to the same user."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      },
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-706"
        }
      ]
    },
    {
      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-706"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
              "versionStartIncluding": "24.0.0",
              "versionEndExcluding": "24.0.9",
              "matchCriteriaId": "06D75B2D-F295-44BB-8189-8A48F88EEBEF"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "24.0.0",
              "versionEndExcluding": "24.0.9",
              "matchCriteriaId": "3DF4F00E-C1F3-40C6-B26E-19254BA4FE15"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
              "versionStartIncluding": "25.0.0",
              "versionEndExcluding": "25.0.3",
              "matchCriteriaId": "B356E106-2C7D-4062-B5EA-07A19828853C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "25.0.0",
              "versionEndExcluding": "25.0.3",
              "matchCriteriaId": "C5E90102-61F6-4A2A-8EEC-A2795DCB56FF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4pr8-wm27",
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/nextcloud/server/issues/34015",
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/nextcloud/server/pull/36047",
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    }
  ]
}