{"id":"CVE-2011-2717","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-2717","generatedAt":"2026-10-27T21:03:47.159Z","title":"The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.","description":"The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.","published":"2019-11-27T21:15:12.000Z","lastModified":"2026-06-16T23:31:52.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-74"],"affected":["linux/dhcp6c","redhat/enterprise linux"],"epss":{"score":0.0393,"percentile":0.90298,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/security/cve/cve-2011-2717","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.openwall.com/lists/oss-security/2011/07/26/9","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/cve-2011-2717","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2011/07/26/9","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2717","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}