FKIE_CVE-2015-5331

Vulnerability from fkie_nvd - Published: 2016-02-22 05:59 - Updated: 2026-06-17 00:28
Severity
4.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API.
References
secalert@redhat.comhttp://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426
secalert@redhat.comhttps://moodle.org/mod/forum/discuss.php?d=323228Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426
af854a3a-2127-422b-91ae-364da2661108https://moodle.org/mod/forum/discuss.php?d=323228Vendor Advisory
Impacted products
Vendor Product Version
moodle moodle 2.9.0
moodle moodle 2.9.1
moodle moodle 2.9.2
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C9224D94-1C48-468C-A39B-B2694ED178F4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "1C7EE9AD-E122-4288-9416-6D8F8790D75D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.9.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "C4FC2CC1-787B-480F-BC41-538CE2507CB7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API."
    },
    {
      "lang": "es",
      "value": "Moodle 2.9.x en versiones anteriores a 2.9.3 no comprueba adecuadamente la lista de contactos antes de autorizar la transmisi\u00f3n del mensaje, lo que permite a usuarios remotos autenticados eludir las restricciones destinadas al acceso y llevar a cabo ataques de spam a trav\u00e9s de la API messaging."
    }
  ],
  "id": "CVE-2015-5331",
  "lastModified": "2026-06-17T00:28:56.623",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-02-22T05:59:11.393",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-50426"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=323228"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-50426"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=323228"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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