{"cve":{"cve_id":"CVE-2024-11667","is_kev":true,"kev_date_added":"2024-12-03","kev_vendor_project":"Zyxel","kev_product":"Multiple Firewalls","kev_vulnerability_name":"Zyxel Multiple Firewalls Path Traversal Vulnerability","kev_short_description":"Multiple Zyxel firewalls contain a path traversal vulnerability in the web management interface that could allow an attacker to download or upload files via a crafted URL.","kev_required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2024-12-24","kev_known_ransomware":true,"kev_notes":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11667","kev_cwes":["CWE-22"],"epss_score":0.03017,"epss_percentile":0.857,"epss_as_of":"2026-06-23","description":"A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.","published_at":"2024-11-27T09:39:41.691000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-22"],"nvd_references":["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024"],"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":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T01:49:24.977771Z"},"effective_severity":"HIGH","badges":["kev","ransomware"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"atp-series-firmware","product_name":"ATP series firmware","version_start":"versions V5.00 through V5.38","version_start_inclusive":true,"version_end":"versions V5.00 through V5.38","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:atp-series-firmware:versions V5.00 through V5.38:versions V5.00 through V5.38"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"usg20-w-vpn-series-firmware","product_name":"USG20(W)-VPN series firmware","version_start":"versions V5.10 through V5.38","version_start_inclusive":true,"version_end":"versions V5.10 through V5.38","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:usg20-w-vpn-series-firmware:versions V5.10 through V5.38:versions V5.10 through V5.38"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"usg-flex-50-w-series-firmware","product_name":"USG FLEX 50(W) series firmware","version_start":"versions V5.10 through V5.38","version_start_inclusive":true,"version_end":"versions V5.10 through V5.38","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:usg-flex-50-w-series-firmware:versions V5.10 through V5.38:versions V5.10 through V5.38"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"usg-flex-series-firmware","product_name":"USG FLEX series firmware","version_start":"versions V5.00 through V5.38","version_start_inclusive":true,"version_end":"versions V5.00 through V5.38","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:usg-flex-series-firmware:versions V5.00 through V5.38:versions V5.00 through V5.38"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2024-11-27T09:39:41.691000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2024-12-03T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"cvss_changed","at":"2026-06-28T17:32:29.086311Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:32:29.086311Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:32:29.086311Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:49:24.977771Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:49:24.977771Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:49:24.977771Z","label":"SSVC decision revised","source":"vulnrichment"}]}