CVE-2021-32030

{"id": "CVE-2021-32030", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-05-06T15:15:07.973", "references": [{"url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://www.asus.com/us/supportonly/lyra%20mini/helpdesk_bios/", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-32030", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "The administrator application on ASUS GT-AC2900 devices before 3.0.0.4.386.42643 and Lyra Mini before 3.0.0.4_384_46630 allows authentication bypass when processing remote input from an unauthenticated user, leading to unauthorized access to the administrator interface. 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"}], "lastModified": "2025-10-22T00:17:36.587", "cisaActionDue": "2025-06-23", "cisaExploitAdd": "2025-06-02", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:asus:lyra_mini_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDC24A96-81AB-4F93-951F-4BE291CF4817", "versionEndExcluding": "3.0.0.4.384.46630"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:asus:lyra_mini:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "16CD4EE9-D898-47E2-8A86-A0716CDB03A3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:asus:gt-ac2900_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B364172-2986-4983-91BF-047F59D140DF", "versionEndExcluding": "3.0.0.4.386.42643"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:asus:gt-ac2900:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B581C286-7C47-42BF-8876-243285409374"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "ASUS Routers Improper Authentication Vulnerability"}