{"cve":{"cve_id":"CVE-2021-20564","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":0.00851,"epss_percentile":0.53419,"epss_as_of":"2026-06-23","description":"IBM Cloud Pak for Security (CP4S) 1.4.0.0, 1.5.0.0, 1.5.0.1, 1.6.0.0, and 1.6.0.1 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 199235.","published_at":"2021-05-14T16:15:38.024000Z","last_modified_at":null,"cvss_v3_score":5.9,"cvss_v3_vector":"CVSS:3.0/PR:N/UI:N/I:N/AC:H/AV:N/C:H/A:N/S:U/RC:C/RL:O/E:U","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/6453115","https://exchange.xforce.ibmcloud.com/vulnerabilities/199235"],"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":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"},{"metric":"RL","name":"RL","value":"O","value_label":"O"},{"metric":"E","name":"E","value":"U","value_label":"Unchanged"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"cloud-pak-for-security","product_name":"cloud_pak_for_security","version_start":"1.4.0.0","version_start_inclusive":true,"version_end":"1.4.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:cloud-pak-for-security:1.4.0.0:1.4.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"cloud-pak-for-security","product_name":"cloud_pak_for_security","version_start":"1.6.0.0","version_start_inclusive":true,"version_end":"1.6.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:cloud-pak-for-security:1.6.0.0:1.6.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"cloud-pak-for-security","product_name":"cloud_pak_for_security","version_start":"1.5.0.1","version_start_inclusive":true,"version_end":"1.5.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:cloud-pak-for-security:1.5.0.1:1.5.0.1"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"cloud-pak-for-security","product_name":"cloud_pak_for_security","version_start":"1.5.0.0","version_start_inclusive":true,"version_end":"1.5.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:cloud-pak-for-security:1.5.0.0:1.5.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"cloud-pak-for-security","product_name":"cloud_pak_for_security","version_start":"1.6.0.1","version_start_inclusive":true,"version_end":"1.6.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:cloud-pak-for-security:1.6.0.1:1.6.0.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6453115","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/199235","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-05-14T16:15:38.024000Z","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"}]}