{"cveID":"CVE-2021-32030","vendorProject":"ASUS","product":"Routers","vulnerabilityName":"ASUS Routers Improper Authentication Vulnerability","dateAdded":"2025-06-02","shortDescription":"ASUS Lyra Mini and ASUS GT-AC2900 devices contain an improper authentication vulnerability that allows an attacker to gain unauthorized access to the administrative interface. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-06-23","knownRansomwareCampaignUse":"Unknown","notes":"https://www.asus.com/us/supportonly/lyra%20mini/helpdesk_bios/ ; https://www.asus.com/us/supportonly/rog%20rapture%20gt-ac2900/helpdesk_bios/; https://nvd.nist.gov/vuln/detail/CVE-2021-32030","cwes":["CWE-287"],"year":2021,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2021-32030","technique":"T1068","technique_name_at_mapping":"Exploitation for Privilege Escalation","mapping_type":"exploitation_technique","capability_group":"auth_bypass","comments":"Due to the router's administrative web-app having improper validation of session cookies, an unauthorized user can gain administrative access to the device management interface.","references":["https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass "," https://dayzerosec.com/vulns/2021/05/11/asus-gt-ac2900-authentication-bypass-cve-2021-32030.html"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2021-32030","technique":"T1040","technique_name_at_mapping":"Network Sniffing","mapping_type":"primary_impact","capability_group":"auth_bypass","comments":"Due to the router's administrative web-app having improper validation of session cookies, an unauthorized user can gain administrative access to the device management interface.","references":["https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass "," https://dayzerosec.com/vulns/2021/05/11/asus-gt-ac2900-authentication-bypass-cve-2021-32030.html"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2021-32030","technique":"T1098","technique_name_at_mapping":"Account Manipulation","mapping_type":"primary_impact","capability_group":"auth_bypass","comments":"Due to the router's administrative web-app having improper validation of session cookies, an unauthorized user can gain administrative access to the device management interface.","references":["https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass "," https://dayzerosec.com/vulns/2021/05/11/asus-gt-ac2900-authentication-bypass-cve-2021-32030.html"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1040","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Network Sniffing","name_at_mapping":"Network Sniffing","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":9,"has_detection_strategy":true},{"id":"T1068","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Exploitation for Privilege Escalation","name_at_mapping":"Exploitation for Privilege Escalation","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":31,"has_detection_strategy":true},{"id":"T1098","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Account Manipulation","name_at_mapping":"Account Manipulation","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":34,"has_detection_strategy":true}],"mapping_types":["exploitation_technique","primary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}