CVE-2013-3926

{
  "id": "CVE-2013-3926",
  "cveTags": [
    {
      "tags": [
        "disputed"
      ],
      "sourceIdentifier": "cve@mitre.org"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-07-01T21:55:03.090",
  "references": [
    {
      "url": "http://it.slashdot.org/story/13/07/01/0011217/backdoor-discovered-in-atlassian-crowd",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.commandfive.com/papers/C5_TA_2013_3925_AtlassianCrowd.pdf",
      "tags": [
        "Exploit",
        "URL Repurposed"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://it.slashdot.org/story/13/07/01/0011217/backdoor-discovered-in-atlassian-crowd",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.commandfive.com/papers/C5_TA_2013_3925_AtlassianCrowd.pdf",
      "tags": [
        "Exploit",
        "URL Repurposed"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Atlassian Crowd 2.6.3 allows remote attackers to execute arbitrary commands via unspecified vectors related to a \"symmetric backdoor.\"  NOTE: as of 20130704, the vendor could not reproduce the issue, stating \"We've been unable to substantiate the existence of [CVE-2013-3926]. The author of the article has not contacted Atlassian and has provided no detail, making it difficult to validate the claim... If we can confirm that there is a vulnerability, a patch will be issued."
    },
    {
      "lang": "es",
      "value": "** DISPUTADA ** Atlassian Crowd 2.6.3 permite a atacantes remotos ejecutar comandos arbitrarios a través de vectores relacionados con una 'puerta trasera simétrica.' NOTA: desde el 04072013, el proveedor no ha podido reproducir el problema, diciendo que 'No hemos sido capaces de corroborar la existencia del [CVE-2013-3926]. El autor del artículo no ha contactado Atlassian y no ha proporcionado ninguno detalle, haciéndolo difícil validar la afirmación... Si podemos confirmar que exista una vulnerabilidad, se ofrecerá un parche.'"
    }
  ],
  "lastModified": "2026-06-16T23:56:02.017",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:atlassian:crowd:2.6.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D67A5A7-35C9-46F8-93CE-F627AC0AEF3E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "On 30th of June 2013, an article was uploaded to Slashdot regarding\ntwo vulnerabilities in Atlassian Crowd. We had already identified and\nfixed the first vulnerability, which affects only standalone Crowd\nservers and which the author had labeled CVE-2013-3925. Patches and\nupdated packages are available at\nhttps://jira.atlassian.com/browse/CWD-3366.\n\nWe have been unable to substantiate the existence of the second\nalleged vulnerability. The author of the article has not contacted\nAtlassian and has provided no details to us, making it difficult to\nvalidate the claim.\n\nWhile we have been unable to confirm the existence of the second\nvulnerability, designated CVE-2013-3926, we are taking it seriously\nand have reached out to the author directly for more details. If we\ncan confirm that there is a vulnerability, a patch will be issued and\nall Crowd customers will be emailed details on how to update.",
      "lastModified": "2013-07-09T00:00:00",
      "organization": "Atlassian"
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/77.html\n\n'CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')'",
  "sourceIdentifier": "cve@mitre.org"
}