FKIE_CVE-2015-5264

Vulnerability from fkie_nvd - Published: 2016-02-22 05:59 - Updated: 2026-06-17 00:28
Severity
5.4 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Summary
The lesson module in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to bypass intended access restrictions and enter additional answer attempts by leveraging the student role.
References
secalert@redhat.comhttp://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50516
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2015/09/21/1
secalert@redhat.comhttp://www.securitytracker.com/id/1033619
secalert@redhat.comhttps://moodle.org/mod/forum/discuss.php?d=320287Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50516
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/09/21/1
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1033619
af854a3a-2127-422b-91ae-364da2661108https://moodle.org/mod/forum/discuss.php?d=320287Vendor Advisory
Impacted products
Vendor Product Version
moodle moodle *
moodle moodle 2.7.0
moodle moodle 2.7.1
moodle moodle 2.7.2
moodle moodle 2.7.3
moodle moodle 2.7.4
moodle moodle 2.7.5
moodle moodle 2.7.6
moodle moodle 2.7.7
moodle moodle 2.7.8
moodle moodle 2.7.9
moodle moodle 2.8.0
moodle moodle 2.8.1
moodle moodle 2.8.2
moodle moodle 2.8.3
moodle moodle 2.8.4
moodle moodle 2.8.5
moodle moodle 2.8.6
moodle moodle 2.8.7
moodle moodle 2.9.0
moodle moodle 2.9.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9F3E36CA-026A-4262-8CB7-73E0FC315A45",
              "versionEndIncluding": "2.6.11",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "4E051AAC-EB40-491F-AF0E-EE8143C12567",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FADBE87F-1855-453B-B958-0CB8A7908A06",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "1B53A7D2-BDA2-4185-97C3-977A04876A37",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "A51DFFA8-DFF0-429C-B697-F82F41621FEE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "19FD1565-0DA1-4BA8-A501-86F13D3D29ED",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "6D82CFE8-C38D-4FF3-BC4F-6C27AD64D9A3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "FEB754AF-3DA4-4459-A53B-3BC7B78CE313",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "F57E8383-C3F3-480C-B9A9-49633DAAEC18",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "645E8B7B-1AE6-4F46-AFA9-7506685CD571",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.7.9:*:*:*:*:*:*:*",
              "matchCriteriaId": "0316A26A-8B51-4226-8D56-4A798A2D798D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "12737AF4-B2D5-4661-B06A-6A06FE95EC2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "88C59A94-D225-478A-B23E-41C4324BC643",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "192EA69B-A1E1-4E0D-8E73-76EB74CCDE49",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "D88385B1-EEFB-4825-BD8F-215C39FD86DA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "A3BE2782-D167-4237-B57D-2E4C04571524",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "F277F979-12FA-47A5-B0A5-D174C2127A7D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "38498617-8E45-4E73-AE9F-C7A0D18FDE47",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.8.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "C9047769-BFF4-42DB-8B19-F6D16FA910A1",
              "vulnerable": true
            },
            {
              "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
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The lesson module in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to bypass intended access restrictions and enter additional answer attempts by leveraging the student role."
    },
    {
      "lang": "es",
      "value": "El m\u00f3dulo lesson en Moodle hasta la versi\u00f3n 2.6.11, 2.7.x en versiones anteriores a 2.7.10, 2.8.x en versiones anteriores a 2.8.8 y 2.9.x en versiones anteriores a 2.9.2 permite a usuarios remotos autenticados eludir las restricciones destinadas al acceso e introducir intentos de respuesta adicionales al aprovechar el rol de estudiante."
    }
  ],
  "id": "CVE-2015-5264",
  "lastModified": "2026-06-17T00:28:47.033",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-02-22T05:59:04.083",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-50516"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/21/1"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1033619"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=320287"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-50516"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/21/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1033619"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=320287"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.