cve-2021-20027
Vulnerability from cvelistv5
Published
2021-06-14 22:30
Modified
2024-08-03 17:30
Severity ?
Summary
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.
References
PSIRT@sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016Mitigation, Vendor Advisory
Impacted products
Vendor Product Version
SonicWall SonicOS Version: SonicOS 5.9.1.13 and earlier
Version: SonicOSv 6.5.4.4 and earlier
Version: SonicOS 6.0.5.3 and earlier
Version: SonicOS 6.5.1.12 and earlier
Version: SonicOS 6.5.4.7 and earlier
Version: SonicOS 7.0.1-R1219 and earlier
Version: SonicOS 7.0.1-R514 and earlier
Version: SonicOS 7.0.1-R1262 and earlier
Show details on NVD website

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de desbordamiento de b\\u00fafer en SonicOS permite a un atacante remoto causar una denegaci\\u00f3n de servicio (DoS) mediante el env\\u00edo de una petici\\u00f3n especialmente dise\\u00f1ada. Esta vulnerabilidad afecta a las plataformas SonicOS Gen5, Gen6, Gen7 y a los firewalls virtuales SonicOSv\"}]",
      "id": "CVE-2021-20027",
      "lastModified": "2024-11-21T05:45:48.637",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-06-14T23:15:07.473",
      "references": "[{\"url\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016\", \"source\": \"PSIRT@sonicwall.com\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "PSIRT@sonicwall.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"PSIRT@sonicwall.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-120\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-120\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20027\",\"sourceIdentifier\":\"PSIRT@sonicwall.com\",\"published\":\"2021-06-14T23:15:07.473\",\"lastModified\":\"2024-11-21T05:45:48.637\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de desbordamiento de b\u00fafer en SonicOS permite a un atacante remoto causar una denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de una petici\u00f3n especialmente dise\u00f1ada. 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Advisory\"]},{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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