{"cve":{"cve_id":"CVE-2021-29740","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":0.00329,"epss_percentile":0.24536,"epss_as_of":"2026-06-23","description":"IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.3 system core component is affected by a format string security vulnerability. An attacker could execute arbitrary code in the context of process memory, potentially escalating their system privileges and taking control over the entire system with root access. IBM X-Force ID: 201474.","published_at":"2021-06-01T14:05:10.819000Z","last_modified_at":null,"cvss_v3_score":8.4,"cvss_v3_vector":"CVSS:3.0/I:H/S:U/AC:L/A:H/PR:N/C:H/AV:L/UI:N/RL:O/E:U/RC:C","cvss_v3_severity":"HIGH","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/6457629","https://exchange.xforce.ibmcloud.com/vulnerabilities/201474"],"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":"2026-06-28T23:15:29.539972Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"RL","name":"RL","value":"O","value_label":"O"},{"metric":"E","name":"E","value":"U","value_label":"Unchanged"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"spectrum-scale","product_name":"Spectrum Scale","version_start":"5.0.0","version_start_inclusive":true,"version_end":"5.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:spectrum-scale:5.0.0:5.0.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"spectrum-scale","product_name":"Spectrum Scale","version_start":"5.1.0","version_start_inclusive":true,"version_end":"5.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:spectrum-scale:5.1.0:5.1.0"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"spectrum-scale","product_name":"Spectrum Scale","version_start":"5.0.5.6","version_start_inclusive":true,"version_end":"5.0.5.6","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:spectrum-scale:5.0.5.6:5.0.5.6"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"spectrum-scale","product_name":"Spectrum Scale","version_start":"5.1.0.3","version_start_inclusive":true,"version_end":"5.1.0.3","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:spectrum-scale:5.1.0.3:5.1.0.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6457629","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/201474","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-06-01T14:05:10.819000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:18:07.962520Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:18:07.962520Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:18:07.962520Z","label":"CVSS score revised","source":"cvelistv5"}]}