{"cve":{"cve_id":"CVE-2021-20481","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":0.00616,"epss_percentile":0.44836,"epss_as_of":"2026-06-23","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 197503.","published_at":"2021-10-07T18:05:50.355000Z","last_modified_at":null,"cvss_v3_score":5.4,"cvss_v3_vector":"CVSS:3.0/AV:N/I:L/PR:L/AC:L/C:L/S:C/UI:R/A:N/RC:C/E:H/RL:O","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":null,"nvd_references":["https://www.ibm.com/support/pages/node/6496781","https://exchange.xforce.ibmcloud.com/vulnerabilities/197503"],"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":"2026-06-28T23:14:54.029374Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"A","name":"Availability","value":"N","value_label":"None"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"},{"metric":"E","name":"E","value":"H","value_label":"High"},{"metric":"RL","name":"RL","value":"O","value_label":"O"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"2.2.0.0","version_start_inclusive":true,"version_end":"2.2.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:2.2.0.0:2.2.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.0.1.0","version_start_inclusive":true,"version_end":"6.0.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.0.1.0:6.0.1.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.0.0.0","version_start_inclusive":true,"version_end":"6.0.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.0.0.0:6.0.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"5.2.6.5_3","version_start_inclusive":true,"version_end":"5.2.6.5_3","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:5.2.6.5_3:5.2.6.5_3"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.0.0.6","version_start_inclusive":true,"version_end":"6.0.0.6","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.0.0.6:6.0.0.6"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.0.3.4","version_start_inclusive":true,"version_end":"6.0.3.4","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.0.3.4:6.0.3.4"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.1.0.0","version_start_inclusive":true,"version_end":"6.1.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.1.0.0:6.1.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"sterling-file-gateway","product_name":"sterling_file_gateway","version_start":"6.1.0.1","version_start_inclusive":true,"version_end":"6.1.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:sterling-file-gateway:6.1.0.1:6.1.0.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6496781","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/197503","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-10-07T18:05:50.355000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:04:59.792330Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:59.792330Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:59.792330Z","label":"CVSS score revised","source":"cvelistv5"}]}