FKIE_CVE-2020-20219

Vulnerability from fkie_nvd - Published: 2021-07-21 15:15 - Updated: 2024-11-21 05:11
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/igmp-proxy process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
References
cve@mitre.orghttps://mikrotik.com/Product
cve@mitre.orghttps://seclists.org/fulldisclosure/2021/May/2Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://mikrotik.com/Product
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/fulldisclosure/2021/May/2Exploit, Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
mikrotik routeros 6.44.6
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mikrotik:routeros:6.44.6:*:*:*:ltr:*:*:*",
              "matchCriteriaId": "F7581807-5B93-4A19-8F8F-D5C694A61427",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/igmp-proxy process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference)."
    },
    {
      "lang": "es",
      "value": "Mikrotik RouterOs versi\u00f3n 6.44.6 (long-term tree) sufre de una vulnerabilidad de corrupci\u00f3n de memoria en el proceso /nova/bin/igmp-proxy. Un atacante remoto autenticado puede causar una Denegaci\u00f3n de Servicio (desreferencia de puntero NULL)"
    }
  ],
  "id": "CVE-2020-20219",
  "lastModified": "2024-11-21T05:11:55.537",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-21T15:15:12.740",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://mikrotik.com/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/fulldisclosure/2021/May/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://mikrotik.com/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/fulldisclosure/2021/May/2"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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