{"cve":{"cve_id":"CVE-2020-13529","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":0.01431,"epss_percentile":0.72562,"epss_as_of":"2026-10-15","description":"An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.","published_at":"2021-05-10T15:08:34Z","last_modified_at":"2026-10-14T10:17:27.337000Z","cvss_v3_score":6.1,"cvss_v3_vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","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":["CWE-290"],"nvd_references":["https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","https://security.gentoo.org/glsa/202107-48","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","http://www.openwall.com/lists/oss-security/2021/08/04/2","http://www.openwall.com/lists/oss-security/2021/08/17/3","http://www.openwall.com/lists/oss-security/2021/09/07/3","https://security.netapp.com/advisory/ntap-20210625-0005/"],"vuln_status":"Modified","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":"2026-10-14T23:59:09.254433Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"fedoraproject","vendor_name":"fedoraproject","product_slug":"fedora","product_name":"fedora","version_start":"33","version_start_inclusive":true,"version_end":"33","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"},{"vendor_slug":"netapp","vendor_name":"NetApp","product_slug":"active-iq-unified-manager","product_name":"active_iq_unified_manager","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*"},{"vendor_slug":"netapp","vendor_name":"NetApp","product_slug":"cloud-backup","product_name":"cloud_backup","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*"},{"vendor_slug":"systemd-project","vendor_name":"systemd_project","product_slug":"systemd","product_name":"systemd","version_start":"245","version_start_inclusive":true,"version_end":"245","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:systemd_project:systemd:245:-:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142","source_type":"MISC","tags":[]},{"url":"https://security.gentoo.org/glsa/202107-48","source_type":"MISC","tags":[]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/04/2","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/17/3","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.openwall.com/lists/oss-security/2021/09/07/3","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20210625-0005/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-05-10T15:08:34Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:02:14.369095Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:02:14.369095Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:02:14.369095Z","label":"CVSS score revised","source":"cvelistv5"}]}