{ "containers": { "cna": { "affected": [ { "product": "Systemd", "vendor": "n/a", "versions": [ { "status": "affected", "version": "Canonical Ubuntu 20.04 LTS, Systemd 245" } ] } ], "descriptions": [ { "lang": "en", "value": "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. 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