Vulnerability-Lookup

FKIE_CVE-2021-44792

Vulnerability from fkie_nvd - Published: 2022-01-27 13:15 - Updated: 2026-06-17 04:12

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Single Connect does not perform an authorization check when using the "log-monitor" module. A remote attacker could exploit this vulnerability to access the logging interface. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information.

References

URL	Tags
iletisim@usom.gov.tr	https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093
iletisim@usom.gov.tr	https://www.usom.gov.tr/bildirim/tr-22-0093	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.usom.gov.tr/bildirim/tr-22-0093	Third Party Advisory

Impacted products

	Vendor	Product	Version
	krontech	single_connect	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Single Connect",
          "vendor": "Kron",
          "versions": [
            {
              "lessThan": "2.16",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "iletisim@usom.gov.tr"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "17FCFA54-8B9D-4A06-8776-9B79A20C42CB",
              "versionEndExcluding": "2.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Single Connect does not perform an authorization check when using the \"log-monitor\" module. A remote attacker could exploit this vulnerability to access the logging interface. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information."
    },
    {
      "lang": "es",
      "value": "Single Connect no lleva a cabo una comprobaci\u00f3n de autorizaci\u00f3n cuando es usado el m\u00f3dulo \"log-monitor\". Un atacante remoto podr\u00eda aprovechar esta vulnerabilidad para acceder a la interfaz de registro. La explotaci\u00f3n de esta vulnerabilidad podr\u00eda permitir a un atacante remoto obtener informaci\u00f3n confidencial"
    }
  ],
  "id": "CVE-2021-44792",
  "lastModified": "2026-06-17T04:12:51.177",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "iletisim@usom.gov.tr",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Secondary"
      }
    ]
  },
  "published": "2022-01-27T13:15:07.837",
  "references": [
    {
      "source": "iletisim@usom.gov.tr",
      "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093"
    },
    {
      "source": "iletisim@usom.gov.tr",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.usom.gov.tr/bildirim/tr-22-0093"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.usom.gov.tr/bildirim/tr-22-0093"
    }
  ],
  "sourceIdentifier": "iletisim@usom.gov.tr",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "iletisim@usom.gov.tr",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}

CVE-2021-44792 (GCVE-0-2021-44792)

Vulnerability from cvelistv5 – Published: 2022-01-27 12:27 – Updated: 2026-05-18 12:02

Title

Information Leakege via Unauthorized Access in Single Connect

Summary

Severity

5.3 (Medium)


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

CWE

CWE-862 - Missing Authorization

Assigner

TR-CERT mitre root

References

2 references

URL	Tags
https://www.usom.gov.tr/bildirim/tr-22-0093	government-resourcebroken-link
https://siberguvenlik.gov.tr/guvenlik-bildirimler…	government-resource

Impacted products

1 product

Vendor	Product	Version
Kron	Single Connect	Affected: unspecified , < 2.16 (custom)

Date Public

2022-01-26 21:00

Credits

Gokhan SAHIN

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:32:12.922Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.usom.gov.tr/bildirim/tr-22-0093"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Single Connect",
          "vendor": "Kron",
          "versions": [
            {
              "lessThan": "2.16",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Gokhan SAHIN"
        }
      ],
      "datePublic": "2022-01-26T21:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSingle Connect does not perform an authorization check when using the \"log-monitor\" module. A remote attacker could exploit this vulnerability to access the logging interface. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information.\u003c/p\u003e"
            }
          ],
          "value": "Single Connect does not perform an authorization check when using the \"log-monitor\" module. A remote attacker could exploit this vulnerability to access the logging interface. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-114",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-114 Authentication Abuse"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-18T12:02:21.305Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
      },
      "references": [
        {
          "tags": [
            "government-resource",
            "broken-link"
          ],
          "url": "https://www.usom.gov.tr/bildirim/tr-22-0093"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSingle Connect should be updated to the latest version provided by the vendor.\u003c/p\u003e"
            }
          ],
          "value": "Single Connect should be updated to the latest version provided by the vendor."
        }
      ],
      "source": {
        "advisory": "TR-22-0093",
        "defect": [
          "TR-22-0093"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Information Leakege via Unauthorized Access in Single Connect",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@usom.gov.tr",
          "DATE_PUBLIC": "2022-01-27T15:00:00.000Z",
          "ID": "CVE-2021-44792",
          "STATE": "PUBLIC",
          "TITLE": "Information Leakege via Unauthorized Access in Single Connect"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Single Connect",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "2.16"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Kron"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Gokhan SAHIN"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Single Connect does not perform an authorization check when using the \"log-monitor\" module. A remote attacker could exploit this vulnerability to access the logging interface. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-862 Missing Authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.usom.gov.tr/bildirim/tr-22-0093",
              "refsource": "CONFIRM",
              "url": "https://www.usom.gov.tr/bildirim/tr-22-0093"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Single Connect should be updated to the latest version provided by the vendor."
          }
        ],
        "source": {
          "advisory": "TR-22-0093",
          "defect": [
            "TR-22-0093"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2021-44792",
    "datePublished": "2022-01-27T12:27:12.288Z",
    "dateReserved": "2021-12-10T00:00:00.000Z",
    "dateUpdated": "2026-05-18T12:02:21.305Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.