{"cveID":"CVE-2020-8193","vendorProject":"Citrix","product":"Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance","vulnerabilityName":"Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability","dateAdded":"2021-11-03","shortDescription":"Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-8193","cwes":["CWE-284"],"year":2020,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2020-8193","technique":"T1556","technique_name_at_mapping":"Modify Authentication Process","mapping_type":"exploitation_technique","capability_group":"auth_bypass","comments":"CVE-2020-8193 is an Authorization Bypass vulnerability in Citrix ADC, Gateway, and SD-WAN WANOP Appliance in various versions allows attacker to bypass authentication mechanisms via crafted requests.","references":["https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF","https://www.bleepingcomputer.com/news/security/nsa-top-25-vulnerabilities-actively-abused-by-chinese-hackers/"],"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-2020-8193","technique":"T1005","technique_name_at_mapping":"Data from Local System","mapping_type":"primary_impact","capability_group":"auth_bypass","comments":"CVE-2020-8193 is an Authorization Bypass vulnerability in Citrix ADC, Gateway, and SD-WAN WANOP Appliance in various versions allows attacker to bypass authentication mechanisms via crafted requests.","references":["https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF","https://www.bleepingcomputer.com/news/security/nsa-top-25-vulnerabilities-actively-abused-by-chinese-hackers/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1005","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Data from Local System","name_at_mapping":"Data from Local System","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":14,"has_detection_strategy":true},{"id":"T1556","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Modify Authentication Process","name_at_mapping":"Modify Authentication Process","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":12,"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":["0d0d9a8a-a49e-4e27-b061-7ce4b936cfb7"],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-23 05:47 UTC","_attack_version":"19.2"}