CVE-2021-32030

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This relates to handle_request in router/httpd/httpd.c and auth_check in web_hook.o. An attacker-supplied value of '\\0' matches the device's default value of '\\0' in some situations. Note: All versions of Lyra Mini and earlier which are unsupported (End-of-Life, EOL) are also affected by this vulnerability, Consumers can mitigate this vulnerability by disabling the remote access features from WAN."}, {"lang": "es", "value": "La aplicaci\u00f3n de administrador en los dispositivos ASUS GT-AC2900 versiones anteriores a 3.0.0.4.386.42643, permite una omisi\u00f3n de autenticaci\u00f3n cuando es procesada la entrada remota de un usuario no autenticado, conllevando a un acceso no autorizado a la interfaz de administrador. Esto se relaciona con la funci\u00f3n handle_request en el archivo router/httpd/httpd.c y auth_check en web_hook.o. Un valor proporcionado por el atacante de \"\\0\" coincide con el valor predeterminado del dispositivo de \"\\0\" en algunas situaciones"}], "id": "CVE-2021-32030", "lastModified": "2026-06-17T03:52:42.307", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-32030", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-06-06T03:55:25.546985Z", "version": "2.0.3"}}]}, "published": "2021-05-06T15:15:07.973", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link", "Exploit", "Third Party Advisory"], "url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://www.asus.com/us/supportonly/lyra%20mini/helpdesk_bios/"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Exploit", "Third Party Advisory"], "url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-32030"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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