230 lines
7.1 KiB
JSON
Raw Normal View History

2023-04-24 12:24:31 +02:00
{
"id": "CVE-2020-13364",
"sourceIdentifier": "cve@mitre.org",
"published": "2020-08-06T17:15:10.830",
"lastModified": "2022-02-09T16:51:42.253",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0."
},
{
"lang": "es",
"value": "Una backdoor en determinados productos Zyxel permite el acceso remoto a TELNET por medio de un script CGI. Esto afecta a NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"cvssMetricV30": [
{
"source": "cve@mitre.org",
"type": "Secondary",
"cvssData": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0
},
"baseSeverity": "HIGH",
"exploitabilityScore": 8.0,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
{
"operator": "AND",
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*",
"versionEndExcluding": "v5.21\\(aazf.9\\)c0",
"matchCriteriaId": "B045EF5D-B584-4DAA-B0EF-149310C61AC1"
}
]
},
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": false,
"criteria": "cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E0A01B19-4A91-4FBC-8447-2E854346DAC5"
}
]
}
]
},
{
"operator": "AND",
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:zyxel:nas520_firmware:*:*:*:*:*:*:*:*",
"versionEndExcluding": "v5.21\\(aasz.5\\)c0",
"matchCriteriaId": "D88E8EAE-2492-421F-A904-CE167C0C6B61"
}
]
},
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": false,
"criteria": "cpe:2.3:h:zyxel:nas520:-:*:*:*:*:*:*:*",
"matchCriteriaId": "07B2BA3D-40F0-4D59-8838-B226FAABF27E"
}
]
}
]
},
{
"operator": "AND",
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:zyxel:nas540_firmware:*:*:*:*:*:*:*:*",
"versionEndExcluding": "v5.21\\(aatb.6\\)c0",
"matchCriteriaId": "8D4A8264-3806-47C1-BDCB-04C569BC74CD"
}
]
},
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": false,
"criteria": "cpe:2.3:h:zyxel:nas540:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B2F7264C-D32A-4EE9-BADC-78518D762BCA"
}
]
}
]
},
{
"operator": "AND",
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*",
"versionEndExcluding": "v5.21\\(abag.6\\)c0",
"matchCriteriaId": "23F5B87E-5526-4CDD-8F96-D78C00B7B490"
}
]
},
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": false,
"criteria": "cpe:2.3:h:zyxel:nas542:-:*:*:*:*:*:*:*",
"matchCriteriaId": "31C4DD0F-28D0-4BF7-897B-5EEC32AA7277"
}
]
}
]
}
],
"references": [
{
"url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-NAS-remote-access-vulnerability.shtml",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://www.zyxel.com/us/en/support/security_advisories.shtml",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
}
]
}