{"cve":{"cve_id":"CVE-2020-4888","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":0.61964,"epss_percentile":0.99062,"epss_as_of":"2026-06-23","description":"IBM QRadar SIEM 7.4.0 to 7.4.2 Patch 1 and 7.3.0 to 7.3.3 Patch 7 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization of user-supplied content by the Java deserialization function. By sending a malicious serialized Java object, an attacker could exploit this vulnerability to execute arbitrary commands on the system. IBM X-Force ID: 190912.","published_at":"2021-01-28T12:55:15.998000Z","last_modified_at":null,"cvss_v3_score":6.3,"cvss_v3_vector":"CVSS:3.0/I:L/AC:L/C:L/S:U/UI:N/A:L/AV:N/PR:L/E:U/RL:O/RC:C","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/6409306","https://exchange.xforce.ibmcloud.com/vulnerabilities/190912"],"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":"2026-06-28T23:14:23.861986Z"},"effective_severity":"MEDIUM","badges":["epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"I","name":"Integrity","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":"U","value_label":"Unchanged"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"},{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"E","name":"E","value":"U","value_label":"Unchanged"},{"metric":"RL","name":"RL","value":"O","value_label":"O"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"qradar-siem","product_name":"QRadar SIEM","version_start":"7.3","version_start_inclusive":true,"version_end":"7.3","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:qradar-siem:7.3:7.3"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"qradar-siem","product_name":"QRadar SIEM","version_start":"7.4","version_start_inclusive":true,"version_end":"7.4","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:qradar-siem:7.4:7.4"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"qradar-siem","product_name":"QRadar SIEM","version_start":"7.3.3.Patch.7","version_start_inclusive":true,"version_end":"7.3.3.Patch.7","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:qradar-siem:7.3.3.Patch.7:7.3.3.Patch.7"},{"vendor_slug":"ibm","vendor_name":"ibm","product_slug":"qradar-siem","product_name":"QRadar SIEM","version_start":"7.4.2.Patch.1","version_start_inclusive":true,"version_end":"7.4.2.Patch.1","version_end_inclusive":true,"cpe23_uri":"cve5:ibm:qradar-siem:7.4.2.Patch.1:7.4.2.Patch.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6409306","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/190912","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-01-28T12:55:15.998000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:04:06.424325Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:06.424325Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:06.424325Z","label":"CVSS score revised","source":"cvelistv5"}]}