{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-alpha2"
              }
            ]
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            "events": [
              {
                "introduced": "0"
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              {
                "last_affected": "1.11.0-beta1"
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            ]
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                "introduced": "0"
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                "last_affected": "1.11.0-beta2"
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            ]
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            "events": [
              {
                "introduced": "0"
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              {
                "last_affected": "1.11.0-beta3"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
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              {
                "last_affected": "1.11.0-beta4"
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            ]
          },
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            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-beta5"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-beta6"
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            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-beta7"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-rc1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.4-alpha1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.4-alpha2"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.4-beta1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.4-rc1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.6-alpha1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.8-rc1"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.0-NA"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.2"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.4-NA"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.6-NA"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.11.8-NA"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0bf136a473502f7432e01cb576c59f453badd81f"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "43ad0d2f8facae3dd95ce56f29c4474048dcafed"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "fb6e3875217636220e8ad933663b426f972f6397"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "040e963c7479e41e362b5d174df333a83f45cf16"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "6de5de7f0e6bec7b7699077c4fdef436c0ff4d25"
            },
            {
              "fixed": "0de84700648f098c1fbf6b807dee28ec640efe62"
            }
          ],
          "repo": "https://github.com/chamilo/chamilo-lms",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.",
  "id": "CVE-2018-1999019",
  "modified": "2026-03-13T21:47:16.404601114Z",
  "published": "2018-07-23T15:29:00.707Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ibb.co/jBxe6y"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}