{"cve":"CVE-2020-13529","nvd":{"published":"2021-05-10T16:15:07.373","modified":"2026-10-14T10:17:27.337","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","score":6.1},"cwes":["CWE-290"],"references":["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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/","https://security.gentoo.org/glsa/202107-48"],"products":["fedoraproject:fedora","netapp:active_iq_unified_manager","netapp:cloud_backup","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2020-13529","score":0.01431,"percentile":0.7285,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}