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FKIE_CVE-2023-48307

Vulnerability from fkie_nvd - Published: 2023-11-21 23:15 - Updated: 2026-06-17 06:33
Severity
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.
References
security-advisories@github.comhttps://github.com/nextcloud/mail/pull/8709Issue Tracking, Patch
security-advisories@github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999Vendor Advisory
security-advisories@github.comhttps://hackerone.com/reports/1869714Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/mail/pull/8709Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1869714Permissions Required
Impacted products
Vendor Product Version
nextcloud mail *
nextcloud mail *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.13.0, \u003c 2.2.8"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.1.0, \u003c 3.3.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "54F82061-3A70-47D7-9E95-26B10CA3553A",
              "versionEndExcluding": "2.2.8",
              "versionStartIncluding": "1.13.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "98F3704F-323A-4BC4-BC5F-259C8648CB97",
              "versionEndExcluding": "3.3.0",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app."
    },
    {
      "lang": "es",
      "value": "Nextcloud Mail es la aplicaci\u00f3n de correo de Nextcloud, una plataforma de productividad autohospedada. A partir de la versi\u00f3n 1.13.0 y anteriores a las versiones 2.2.8 y 3.3.0, un atacante puede utilizar un endpoint desprotegido en la aplicaci\u00f3n de correo para realizar un ataque SSRF. Las versiones 2.2.8 y 3.3.0 de la aplicaci\u00f3n Nextcloud Mail contienen un parche para este problema. Como workaround, desactive la aplicaci\u00f3n de correo."
    }
  ],
  "id": "CVE-2023-48307",
  "lastModified": "2026-06-17T06:33:58.437",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 3.5,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-11-21T23:15:07.807",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/nextcloud/mail/pull/8709"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/1869714"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/nextcloud/mail/pull/8709"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/1869714"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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