FKIE_CVE-2016-5851

Vulnerability from fkie_nvd - Published: 2016-12-21 22:59 - Updated: 2026-06-17 00:50
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
python-docx before 0.8.6 allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted document.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/06/28/7Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/06/28/8Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/91485Third Party Advisory, VDB Entry
cve@mitre.orghttps://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rstPatch, Release Notes, Vendor Advisory
cve@mitre.orghttps://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/06/28/7Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/06/28/8Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/91485Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rstPatch, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/
Impacted products
Vendor Product Version
python-openxml_project python-docx *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:python-openxml_project:python-docx:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9E572AB2-F976-4053-8081-C7F87D759398",
              "versionEndIncluding": "0.8.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "python-docx before 0.8.6 allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted document."
    },
    {
      "lang": "es",
      "value": "python-docx en versiones anteriores a 0.8.6 permite a atacantes dependientes del contexto llevar a cabo ataques de XXE a trav\u00e9s de un documento manipulado."
    }
  ],
  "id": "CVE-2016-5851",
  "lastModified": "2026-06-17T00:50:08.803",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-12-21T22:59:00.170",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/28/7"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/28/8"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/91485"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/28/7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/28/8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/91485"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.