fkie_cve-2021-35033
Vulnerability from fkie_nvd
Published
2021-11-23 22:15
Modified
2024-11-21 06:11
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
zyxel | nbg6818_firmware | * | |
zyxel | nbg6818 | - | |
zyxel | nbg7815_firmware | * | |
zyxel | nbg7815 | - | |
zyxel | wsq20_firmware | * | |
zyxel | wsq20 | - | |
zyxel | wsq50_firmware | * | |
zyxel | wsq50 | - | |
zyxel | wsq60_firmware | * | |
zyxel | wsq60 | - | |
zyxel | wsr30_firmware | * | |
zyxel | wsr30 | - |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:nbg6818_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A2D09B3-6B56-483A-AB24-808930548DA4", "versionEndExcluding": "1.00\\(absc.5\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:nbg6818:-:*:*:*:*:*:*:*", "matchCriteriaId": "48E677C4-EE44-49C4-8CD5-CABE12F00097", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:nbg7815_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E77E348E-B055-4D4F-A7E2-3209504DF004", "versionEndExcluding": "1.00\\(absk.7\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:nbg7815:-:*:*:*:*:*:*:*", "matchCriteriaId": "D2E6D3DD-B789-4984-BE39-717071EC5B4E", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:wsq20_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FC79265-D940-4D82-A220-A28D435DDEF1", "versionEndExcluding": "1.00\\(abof.11\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:wsq20:-:*:*:*:*:*:*:*", "matchCriteriaId": "49AD416D-70DC-49E9-AEBB-3DB68E1E42D7", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:wsq50_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB22F798-9303-45FB-AD7D-10062177D564", "versionEndExcluding": "2.20\\(abkj.7\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:wsq50:-:*:*:*:*:*:*:*", "matchCriteriaId": "B604D99D-276D-48B3-A696-18A496F3DCFF", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:wsq60_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E67B738F-87A9-461C-93E1-45A600B73F62", "versionEndExcluding": "2.20\\(abnd.8\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:wsq60:-:*:*:*:*:*:*:*", "matchCriteriaId": "36E6D0E9-9BA8-42C4-9D6D-6DED3CA3BFEB", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:zyxel:wsr30_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "41B324F6-3588-468E-A63B-F621ABEDA92B", "versionEndExcluding": "1.00\\(abmy.12\\)c0", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:zyxel:wsr30:-:*:*:*:*:*:*:*", "matchCriteriaId": "2F062047-27C3-4FCE-A1BB-A3ED6E3BDA05", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user." }, { "lang": "es", "value": "Una vulnerabilidad en versiones espec\u00edficas del firmware de Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60 y WSR30 con administaci\u00f3n de contrase\u00f1as preconfigurada podr\u00eda permitir a un atacante obtener acceso root del dispositivo, si el atacante local desmonta el dispositivo y usa un cable USB a UART para conectarlo, o si la funcionalidad remote assistance ha sido habilitada por un usuario autenticado" } ], "id": "CVE-2021-35033", "lastModified": "2024-11-21T06:11:42.923", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security@zyxel.com.tw", "type": "Secondary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-11-23T22:15:07.623", "references": [ { "source": "security@zyxel.com.tw", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.tenable.com/security/research/tra-2022-06" }, { "source": "security@zyxel.com.tw", "tags": [ "Vendor Advisory" ], "url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_pre-configured_password_management_vulnerability_of_home_routers_and_WiFi_systems.shtml" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://www.tenable.com/security/research/tra-2022-06" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_pre-configured_password_management_vulnerability_of_home_routers_and_WiFi_systems.shtml" } ], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-260" } ], "source": "security@zyxel.com.tw", "type": "Secondary" }, { "description": [ { "lang": "en", "value": "CWE-287" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
Loading…
Loading…
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.
- 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.
Loading…
Loading…