CVE-2021-42544 (GCVE-0-2021-42544)

Vulnerability from cvelistv5 – Published: 2021-11-30 11:28 – Updated: 2024-08-04 03:38
VLAI
Title
Lack of Rate limiting in Authentication in TopEase
Summary
Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges.
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
References
Impacted products
Vendor Product Version CPE status
Business-DNA Solutions GmbH TopEase Affected: unspecified , ≤ 7.1.28 (custom)
Unknown: next of 7.1.28 , < unspecified (custom)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:38:49.221Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "TopEase",
          "vendor": "Business-DNA Solutions GmbH",
          "versions": [
            {
              "lessThanOrEqual": "7.1.28",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "unknown",
              "version": "next of 7.1.28",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "SIX Group Services AG, Cyber Controls"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-307",
              "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-30T11:28:14.000Z",
        "orgId": "455daabc-a392-441d-aa46-37d35189897c",
        "shortName": "NCSC.ch"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Lack of Rate limiting in Authentication in TopEase",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@ncsc.ch",
          "ID": "CVE-2021-42544",
          "STATE": "PUBLIC",
          "TITLE": "Lack of Rate limiting in Authentication in TopEase"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "TopEase",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "7.1.28"
                          },
                          {
                            "version_affected": "?\u003e",
                            "version_value": "7.1.28"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Business-DNA Solutions GmbH"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "SIX Group Services AG, Cyber Controls"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes",
              "refsource": "CONFIRM",
              "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c",
    "assignerShortName": "NCSC.ch",
    "cveId": "CVE-2021-42544",
    "datePublished": "2021-11-30T11:28:14.000Z",
    "dateReserved": "2021-10-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:38:49.221Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-42544",
      "date": "2026-09-21",
      "epss": "0.01365",
      "percentile": "0.70173"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "5586486C-6AB4-4357-A17C-7957140EAB27",
                  "versionEndIncluding": "7.1.27",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges."
        },
        {
          "lang": "es",
          "value": "Una falta de limitaci\u00f3n de velocidad en las aplicaciones web que funcionan con la plataforma TopEase\u00ae de Business-DNA Solutions GmbH versiones anteriores a 7.1.27 incluy\u00e9ndola, en el formulario de inicio de sesi\u00f3n permite a un atacante remoto no autenticado llevar a cabo m\u00faltiples intentos de inicio de sesi\u00f3n, lo que facilita un alcance de privilegios"
        }
      ],
      "id": "CVE-2021-42544",
      "lastModified": "2024-11-21T06:27:46.540",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "HIGH",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 7.5,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 10.0,
            "impactScore": 6.4,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 3.6,
            "source": "vulnerability@ncsc.ch",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2021-11-30T12:15:08.123",
      "references": [
        {
          "source": "vulnerability@ncsc.ch",
          "tags": [
            "Release Notes",
            "Vendor Advisory"
          ],
          "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Release Notes",
            "Vendor Advisory"
          ],
          "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
        }
      ],
      "sourceIdentifier": "vulnerability@ncsc.ch",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-307"
            }
          ],
          "source": "vulnerability@ncsc.ch",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-307"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "TopEase",
                "vendor": "Business-DNA Solutions GmbH",
                "versions": [
                  {
                    "lessThanOrEqual": "7.1.28",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "unspecified",
                    "status": "unknown",
                    "version": "next of 7.1.28",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "vulnerability@ncsc.ch"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5586486C-6AB4-4357-A17C-7957140EAB27",
                    "versionEndIncluding": "7.1.27",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges."
          },
          {
            "lang": "es",
            "value": "Una falta de limitaci\u00f3n de velocidad en las aplicaciones web que funcionan con la plataforma TopEase\u00ae de Business-DNA Solutions GmbH versiones anteriores a 7.1.27 incluy\u00e9ndola, en el formulario de inicio de sesi\u00f3n permite a un atacante remoto no autenticado llevar a cabo m\u00faltiples intentos de inicio de sesi\u00f3n, lo que facilita un alcance de privilegios"
          }
        ],
        "id": "CVE-2021-42544",
        "lastModified": "2026-06-17T04:09:48.007",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "vulnerability@ncsc.ch",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-11-30T12:15:08.123",
        "references": [
          {
            "source": "vulnerability@ncsc.ch",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
          }
        ],
        "sourceIdentifier": "vulnerability@ncsc.ch",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-307"
              }
            ],
            "source": "vulnerability@ncsc.ch",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-307"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:26:17+00:00",
      "cve": "CVE-2021-42544",
      "id": "CVE-2021-42544",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Lack of Rate limiting in Authentication in TopEase",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-42544.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…