{"cve":{"cve_id":"CVE-2023-43496","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":0.00944,"epss_percentile":0.56424,"epss_as_of":"2026-06-23","description":"Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.","published_at":"2023-09-20T16:06:10.098000Z","last_modified_at":null,"cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-276"],"nvd_references":["https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072","http://www.openwall.com/lists/oss-security/2023/09/20/5"],"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":"2026-06-29T01:38:07.943344Z"},"effective_severity":"HIGH","badges":[],"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":"L","value_label":"Low"},{"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":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"jenkins","product_name":"Jenkins","version_start":"2.424","version_start_inclusive":true,"version_end":"*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:jenkins:2.424:*"},{"vendor_slug":"jenkins-project","vendor_name":"Jenkins Project","product_slug":"jenkins","product_name":"Jenkins","version_start":"2.414.2","version_start_inclusive":true,"version_end":"2.414.*","version_end_inclusive":false,"cpe23_uri":"cve5:jenkins-project:jenkins:2.414.2:2.414.*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072","source_type":"MISC","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2023/09/20/5","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2023-09-20T16:06:10.098000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:30:01.336111Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:01.336111Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:01.336111Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:38:07.943344Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:38:07.943344Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:38:07.943344Z","label":"SSVC decision revised","source":"vulnrichment"}]}