{"cve":{"cve_id":"CVE-2021-3038","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00219,"epss_percentile":0.12127,"epss_as_of":"2026-06-23","description":"A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect app on Windows systems allows a limited Windows user to send specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.8; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.4.","published_at":"2021-04-20T03:15:18.565000Z","last_modified_at":null,"cvss_v3_score":5.5,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-20","CWE-248"],"nvd_references":["https://security.paloaltonetworks.com/CVE-2021-3038"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:15:32.034055Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"palo-alto-networks","vendor_name":"Palo Alto Networks","product_slug":"globalprotect-app","product_name":"globalprotect_app","version_start":"5.1","version_start_inclusive":true,"version_end":"5.1.8","version_end_inclusive":false,"cpe23_uri":"cve5:palo-alto-networks:globalprotect-app:5.1:5.1.8"},{"vendor_slug":"palo-alto-networks","vendor_name":"Palo Alto Networks","product_slug":"globalprotect-app","product_name":"globalprotect_app","version_start":"5.2","version_start_inclusive":true,"version_end":"5.2.4","version_end_inclusive":false,"cpe23_uri":"cve5:palo-alto-networks:globalprotect-app:5.2:5.2.4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2021-3038","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-04-20T03:15:18.565000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:19:17.801092Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:17.801092Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:17.801092Z","label":"CVSS score revised","source":"cvelistv5"}]}