fkie_cve-2020-5135
Vulnerability from fkie_nvd
Published
2020-10-12 11:15
Modified
2025-10-22 00:17
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
References
Impacted products
{
"cisaActionDue": "2022-04-05",
"cisaExploitAdd": "2022-03-15",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "SonicWall SonicOS Buffer Overflow Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3937590E-0915-4FA8-AE69-A5197A839931",
"versionEndIncluding": "6.0.5.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "08DF961E-08DD-47EC-9AB1-3A3FF79E1F7A",
"versionEndIncluding": "6.5.1.11",
"versionStartIncluding": "6.5.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8302038F-FA49-4CF2-B064-3EE1103B99F1",
"versionEndIncluding": "6.5.4.7",
"versionStartIncluding": "6.5.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "05C0300F-44AB-482C-BA6D-B9F2ED77037A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:sonicwall:sonicosv:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8BBB86A1-803B-4B76-BF3D-4A9BCC5AD302",
"versionEndIncluding": "6.5.4.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0."
},
{
"lang": "es",
"value": "Una vulnerabilidad de desbordamiento del b\u00fafer en SonicOS, permite a un atacante remoto causar una Denegaci\u00f3n de servicio (DoS) y ejecutar potencialmente c\u00f3digo arbitrario mediante el env\u00edo de una petici\u00f3n maliciosa al firewall. Esta vulnerabilidad afect\u00f3 a SonicOS Gen 6 versiones 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv versi\u00f3n 6.5.4.v y Gen 7 versi\u00f3n 7.0.0.0"
}
],
"id": "CVE-2020-5135",
"lastModified": "2025-10-22T00:17:09.367",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2020-10-12T11:15:12.747",
"references": [
{
"source": "PSIRT@sonicwall.com",
"tags": [
"Vendor Advisory"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5135"
}
],
"sourceIdentifier": "PSIRT@sonicwall.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "PSIRT@sonicwall.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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