CVE-2021-22739 (GCVE-0-2021-22739)

Vulnerability from cvelistv5 – Published: 2021-05-26 19:20 – Updated: 2024-08-03 18:51
VLAI
Summary
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a device to be compromised when it is first configured.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
schneider CNA under the mitre root
CNA scorecard C 65/100 over 23 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior Affected: homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:51:07.283Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a device to be compromised when it is first configured."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Information Exposure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-26T19:20:03.000Z",
        "orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
        "shortName": "schneider"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@schneider-electric.com",
          "ID": "CVE-2021-22739",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a device to be compromised when it is first configured."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-200: Information Exposure"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
              "refsource": "MISC",
              "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
    "assignerShortName": "schneider",
    "cveId": "CVE-2021-22739",
    "datePublished": "2021-05-26T19:20:03.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:51:07.283Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-22739",
      "date": "2026-10-14",
      "epss": "0.00817",
      "percentile": "0.56174"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "317276F1-1B80-4CBC-92A0-8F1E7561FA16",
                    "versionEndIncluding": "2.6.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F7B2FBBD-C461-47EF-A912-E445C063DED9",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5E04856B-1BBF-4E36-BB26-4E03F603F645",
                    "versionEndIncluding": "2.6.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E5369C17-DEC4-4B14-ACFB-6CCCB6C04F1D",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a device to be compromised when it is first configured."
          },
          {
            "lang": "es",
            "value": "Se presenta una vulnerabilidad de Exposici\u00f3n de Informaci\u00f3n en homeLYnk (Wiser For KNX) y spaceLYnk versiones V2.60 y anteriores, que podr\u00eda causar que un dispositivo sea comprometido cuando se configura por primera vez"
          }
        ],
        "id": "CVE-2021-22739",
        "lastModified": "2024-11-21T05:50:34.160",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-05-26T20:15:09.187",
        "references": [
          {
            "source": "cybersecurity@se.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
          }
        ],
        "sourceIdentifier": "cybersecurity@se.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "cybersecurity@se.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:49:09+00:00",
      "cve": "CVE-2021-22739",
      "id": "CVE-2021-22739",
      "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-2021-22739",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22739.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.