GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-42667 (GCVE-0-2021-42667)

Vulnerability from cvelistv5 – Published: 2021-11-05 12:26 – Updated: 2024-08-04 03:38
VLAI
Summary
A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:38:49.466Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/TheHackingRabbi/CVE-2021-42667"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-18T12:34:40.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/TheHackingRabbi/CVE-2021-42667"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-42667",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html",
              "refsource": "MISC",
              "url": "https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html"
            },
            {
              "name": "https://github.com/TheHackingRabbi/CVE-2021-42667",
              "refsource": "MISC",
              "url": "https://github.com/TheHackingRabbi/CVE-2021-42667"
            },
            {
              "name": "https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667",
              "refsource": "MISC",
              "url": "https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-42667",
    "datePublished": "2021-11-05T12:26:06.000Z",
    "dateReserved": "2021-10-18T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:38:49.466Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-42667",
      "date": "2026-09-17",
      "epss": "0.16046",
      "percentile": "0.9675"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E052D7DA-B44E-48D6-B44B-8BB974D47DFF\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.\"}, {\"lang\": \"es\", \"value\": \"Se presenta una vulnerabilidad de inyecci\\u00f3n SQL en Sourcecodester Online Event Booking and Reservation System en PHP en event-management/views. Un atacante puede aprovechar esta vulnerabilidad para manipular una consulta sql llevada a cabo. Como resultado puede extraer datos confidenciales del servidor web y en algunos casos puede usar esta vulnerabilidad para conseguir una ejecuci\\u00f3n de c\\u00f3digo remota en el servidor web remoto\"}]",
      "id": "CVE-2021-42667",
      "lastModified": "2024-11-21T06:27:57.213",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-11-05T13:15:09.013",
      "references": "[{\"url\": \"https://github.com/TheHackingRabbi/CVE-2021-42667\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Product\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/TheHackingRabbi/CVE-2021-42667\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Product\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-89\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-42667\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-11-05T13:15:09.013\",\"lastModified\":\"2026-06-17T04:09:56.333\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de inyecci\u00f3n SQL en Sourcecodester Online Event Booking and Reservation System en PHP en event-management/views. Un atacante puede aprovechar esta vulnerabilidad para manipular una consulta sql llevada a cabo. Como resultado puede extraer datos confidenciales del servidor web y en algunos casos puede usar esta vulnerabilidad para conseguir una ejecuci\u00f3n de c\u00f3digo remota en el servidor web remoto\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-89\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E052D7DA-B44E-48D6-B44B-8BB974D47DFF\"}]}]}],\"references\":[{\"url\":\"https://github.com/TheHackingRabbi/CVE-2021-42667\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Product\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/TheHackingRabbi/CVE-2021-42667\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Product\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:25:52+00:00",
      "cve": "CVE-2021-42667",
      "id": "CVE-2021-42667",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-42667",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-42667.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


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.