Vulnerability-Lookup

VAR-202112-0105

Vulnerability from variot - Updated: 2023-12-18 13:37

A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the affected switch.This vulnerability is fixed in UniFi Switch firmware 5.76.6 and later. UniFi A resource exhaustion vulnerability exists in switch firmware.Service operation interruption (DoS) It may be in a state

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CVE-2021-44527 (GCVE-0-2021-44527)

Vulnerability from cvelistv5 – Published: 2021-12-07 13:12 – Updated: 2024-08-04 04:25

Summary

Severity

No CVSS data available.

CWE

CWE-400 - Denial of Service (CWE-400)

Assigner

hackerone mitre root

References

1 reference

URL	Tags
https://community.ui.com/releases/Security-Adviso…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	UniFi Switches	Affected: Fixed in 5.76.6

Show details on NVD website

JSON

To clipboard

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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "UniFi Switches",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Fixed in 5.76.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the affected switch.This vulnerability is fixed in UniFi Switch firmware 5.76.6 and later."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service (CWE-400)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://community.ui.com/releases/Security-Advisory-Bulletin-022-022/cd83c01b-33e4-454a-b3b9-1c3ccebea7cb",
              "refsource": "MISC",
              "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-022-022/cd83c01b-33e4-454a-b3b9-1c3ccebea7cb"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2021-44527",
    "datePublished": "2021-12-07T13:12:26.000Z",
    "dateReserved": "2021-12-02T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:25:16.471Z",
    "state": "PUBLISHED"
  },
  "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.