ubuntu-cve-2021-43455
Vulnerability from osv_ubuntu
Published
2022-04-04 15:15
Modified
2025-10-24 04:50
Summary
Details

An Unquoted Service Path vulnerability exists in FreeLAN 2.2 via a specially crafted file in the FreeLAN Service path.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
negligible
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "freelan",
            "binary_version": "2.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "freelan",
        "purl": "pkg:deb/ubuntu/freelan@2.0-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "freelan",
            "binary_version": "2.0-5ubuntu6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "freelan",
        "purl": "pkg:deb/ubuntu/freelan@2.0-5ubuntu6?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0-5ubuntu2",
        "2.0-5ubuntu4",
        "2.0-5ubuntu5",
        "2.0-5ubuntu6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "freelan",
            "binary_version": "2.2-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "freelan",
        "purl": "pkg:deb/ubuntu/freelan@2.2-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0-8ubuntu3",
        "2.2-3"
      ]
    }
  ],
  "aliases": [],
  "details": "An Unquoted Service Path vulnerability exists in FreeLAN 2.2 via a specially crafted file in the FreeLAN Service path.",
  "id": "UBUNTU-CVE-2021-43455",
  "modified": "2025-10-24T04:50:36Z",
  "published": "2022-04-04T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-43455"
    },
    {
      "type": "REPORT",
      "url": "https://www.exploit-db.com/exploits/49630"
    },
    {
      "type": "REPORT",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/197919"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/M507/Miner"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-43455"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "negligible",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-43455"
  ]
}



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Sightings

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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.
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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