Vulnerability-Lookup

FKIE_CVE-2021-42545

Vulnerability from fkie_nvd - Published: 2021-11-30 12:15 - Updated: 2026-06-17 04:09

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.

References

	URL	Tags
	vulnerability@ncsc.ch	https://confluence.topease.ch/confluence/display/DOC/Release+Notes	Release Notes, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://confluence.topease.ch/confluence/display/DOC/Release+Notes	Release Notes, Vendor Advisory

Impacted products

	Vendor	Product	Version
	business-dnasolutions	topease	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "TopEase",
          "vendor": "Business-DNA Solutions GmbH",
          "versions": [
            {
              "lessThanOrEqual": "7.1.27",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "vulnerability@ncsc.ch"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:business-dnasolutions:topease:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7DAFB9F0-D506-41F6-8F7F-1B6DF74D1309",
              "versionEndIncluding": "7.1.27",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de caducidad de sesi\u00f3n insuficiente en la plataforma TopEase\u00ae de Business-DNA Solutions GmbH, versiones anteriores a 7.1.27 incluy\u00e9ndola, que permite a un atacante remoto reusar, falsificar o robar otras sesiones de usuario y de administrador"
    }
  ],
  "id": "CVE-2021-42545",
  "lastModified": "2026-06-17T04:09:48.120",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "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:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "vulnerability@ncsc.ch",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "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:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-11-30T12:15:08.177",
  "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-613"
        }
      ],
      "source": "vulnerability@ncsc.ch",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-42545 (GCVE-0-2021-42545)

Vulnerability from cvelistv5 – Published: 2021-11-30 11:28 – Updated: 2024-08-04 03:38

Title

Insufficient Session Expiration in TopEase

Summary

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CWE

CWE-613 - Insufficient Session Expiration

Assigner

NCSC.ch mitre root

References

1 reference

URL	Tags
https://confluence.topease.ch/confluence/display/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Business-DNA Solutions GmbH	TopEase	Affected: unspecified , ≤ 7.1.27 (custom)

Credits

SIX Group Services AG, Cyber Controls

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:38:49.303Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
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              "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": "7.1.27",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "SIX Group Services AG, Cyber Controls"
        }
      ],
      "descriptions": [
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          "value": "An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH\u2019s TopEase\u00ae Platform Version \u003c= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "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:N",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-613",
              "description": "CWE-613 Insufficient Session Expiration",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-30T11:28:15.000Z",
        "orgId": "455daabc-a392-441d-aa46-37d35189897c",
        "shortName": "NCSC.ch"
      },
      "references": [
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          "tags": [
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          ],
          "url": "https://confluence.topease.ch/confluence/display/DOC/Release+Notes"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Insufficient Session Expiration in TopEase",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@ncsc.ch",
          "ID": "CVE-2021-42545",
          "STATE": "PUBLIC",
          "TITLE": "Insufficient Session Expiration in TopEase"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "TopEase",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "7.1.27"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Business-DNA Solutions GmbH"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "SIX Group Services AG, Cyber Controls"
          }
        ],
        "data_format": "MITRE",
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        "generator": {
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        "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "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:N",
            "version": "3.1"
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        "problemtype": {
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            }
          ]
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.