{"schemaVersion":3,"id":"CVE-2011-2716","aliases":["UBUNTU-CVE-2011-2716","DEBIAN-CVE-2011-2716"],"status":"published","duplicateOf":null,"title":null,"description":"The DHCP client (udhcpc) in BusyBox before 1.20.0 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in the (1) HOST_NAME, (2) DOMAIN_NAME, (3) NIS_DOMAIN, and (4) TFTP_SERVER_NAME host name options.","dates":{"published":"2012-07-03T16:00:00.000Z","modified":"2024-08-06T23:08:23.908Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:A/AC:H/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:A/AC:H/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.018,"percentile":0.78189,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.018},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.018,"percentile":0.78189}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.018,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.018,"percentile":0.78189}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"busybox","product":"busybox","name":"busybox","label":"busybox","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.19.4","noFixRecorded":false,"fixedIn":null},{"text":"0.60.5","noFixRecorded":false,"fixedIn":null},{"text":"1.00","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre10","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre3","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre4","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre5","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre6","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre7","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre8","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:pre9","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc3","noFixRecorded":false,"fixedIn":null},{"text":"1.01","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:pre1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.2","noFixRecorded":false,"fixedIn":null},{"text":"1.1.3","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0","noFixRecorded":false,"fixedIn":null},{"text":"1.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.3.0","noFixRecorded":false,"fixedIn":null},{"text":"1.3.1","noFixRecorded":false,"fixedIn":null},{"text":"1.3.2","noFixRecorded":false,"fixedIn":null},{"text":"1.4.0","noFixRecorded":false,"fixedIn":null},{"text":"1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"1.5.0","noFixRecorded":false,"fixedIn":null},{"text":"1.5.1","noFixRecorded":false,"fixedIn":null},{"text":"1.6.0","noFixRecorded":false,"fixedIn":null},{"text":"1.6.1","noFixRecorded":false,"fixedIn":null},{"text":"1.7.0","noFixRecorded":false,"fixedIn":null},{"text":"1.7.1","noFixRecorded":false,"fixedIn":null},{"text":"1.7.2","noFixRecorded":false,"fixedIn":null},{"text":"1.7.3","noFixRecorded":false,"fixedIn":null},{"text":"1.8.0","noFixRecorded":false,"fixedIn":null},{"text":"1.8.1","noFixRecorded":false,"fixedIn":null},{"text":"1.8.2","noFixRecorded":false,"fixedIn":null},{"text":"1.9.0","noFixRecorded":false,"fixedIn":null},{"text":"1.9.1","noFixRecorded":false,"fixedIn":null},{"text":"1.9.2","noFixRecorded":false,"fixedIn":null},{"text":"1.10.0","noFixRecorded":false,"fixedIn":null},{"text":"1.10.1","noFixRecorded":false,"fixedIn":null},{"text":"1.10.2","noFixRecorded":false,"fixedIn":null},{"text":"1.10.3","noFixRecorded":false,"fixedIn":null},{"text":"1.10.4","noFixRecorded":false,"fixedIn":null},{"text":"1.11.0","noFixRecorded":false,"fixedIn":null},{"text":"1.11.1","noFixRecorded":false,"fixedIn":null},{"text":"1.11.2","noFixRecorded":false,"fixedIn":null},{"text":"1.11.3","noFixRecorded":false,"fixedIn":null},{"text":"1.12.0","noFixRecorded":false,"fixedIn":null},{"text":"1.12.1","noFixRecorded":false,"fixedIn":null},{"text":"1.12.2","noFixRecorded":false,"fixedIn":null},{"text":"1.12.3","noFixRecorded":false,"fixedIn":null},{"text":"1.12.4","noFixRecorded":false,"fixedIn":null},{"text":"1.13.0","noFixRecorded":false,"fixedIn":null},{"text":"1.13.1","noFixRecorded":false,"fixedIn":null},{"text":"1.13.2","noFixRecorded":false,"fixedIn":null},{"text":"1.13.3","noFixRecorded":false,"fixedIn":null},{"text":"1.13.4","noFixRecorded":false,"fixedIn":null},{"text":"1.14.0","noFixRecorded":false,"fixedIn":null},{"text":"1.14.1","noFixRecorded":false,"fixedIn":null},{"text":"1.14.2","noFixRecorded":false,"fixedIn":null},{"text":"1.14.3","noFixRecorded":false,"fixedIn":null},{"text":"1.14.4","noFixRecorded":false,"fixedIn":null},{"text":"1.15.0","noFixRecorded":false,"fixedIn":null},{"text":"1.15.1","noFixRecorded":false,"fixedIn":null},{"text":"1.15.2","noFixRecorded":false,"fixedIn":null},{"text":"1.15.3","noFixRecorded":false,"fixedIn":null},{"text":"1.16.0","noFixRecorded":false,"fixedIn":null},{"text":"1.16.1","noFixRecorded":false,"fixedIn":null},{"text":"1.16.2","noFixRecorded":false,"fixedIn":null},{"text":"1.17.0","noFixRecorded":false,"fixedIn":null},{"text":"1.17.1","noFixRecorded":false,"fixedIn":null},{"text":"1.17.2","noFixRecorded":false,"fixedIn":null},{"text":"1.17.3","noFixRecorded":false,"fixedIn":null},{"text":"1.17.4","noFixRecorded":false,"fixedIn":null},{"text":"1.18.0","noFixRecorded":false,"fixedIn":null},{"text":"1.18.1","noFixRecorded":false,"fixedIn":null},{"text":"1.18.2","noFixRecorded":false,"fixedIn":null},{"text":"1.18.3","noFixRecorded":false,"fixedIn":null},{"text":"1.18.4","noFixRecorded":false,"fixedIn":null},{"text":"1.18.5","noFixRecorded":false,"fixedIn":null},{"text":"1.19.0","noFixRecorded":false,"fixedIn":null},{"text":"1.19.2","noFixRecorded":false,"fixedIn":null},{"text":"1.19.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.19.4 | 0.60.5 | 1.00 | 1.0.0:pre1 | 1.0.0:pre10 | 1.0.0:pre2 | 1.0.0:pre3 | 1.0.0:pre4 | 1.0.0:pre5 | 1.0.0:pre6 | 1.0.0:pre7 | 1.0.0:pre8 | 1.0.0:pre9 | 1.0.0:rc1 | 1.0.0:rc2 | 1.0.0:rc3 | 1.01 | 1.1.0 | 1.1.0:pre1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.2.1 | 1.3.0 | 1.3.1 | 1.3.2 | 1.4.0 | 1.4.1 | 1.4.2 | 1.5.0 | 1.5.1 | 1.6.0 | 1.6.1 | 1.7.0 | 1.7.1 | 1.7.2 | 1.7.3 | 1.8.0 | 1.8.1 | 1.8.2 | 1.9.0 | 1.9.1 | 1.9.2 | 1.10.0 | 1.10.1 | 1.10.2 | 1.10.3 | 1.10.4 | 1.11.0 | 1.11.1 | 1.11.2 | 1.11.3 | 1.12.0 | 1.12.1 | 1.12.2 | 1.12.3 | 1.12.4 | 1.13.0 | 1.13.1 | 1.13.2 | 1.13.3 | 1.13.4 | 1.14.0 | 1.14.1 | 1.14.2 | 1.14.3 | 1.14.4 | 1.15.0 | 1.15.1 | 1.15.2 | 1.15.3 | 1.16.0 | 1.16.1 | 1.16.2 | 1.17.0 | 1.17.1 | 1.17.2 | 1.17.3 | 1.17.4 | 1.18.0 | 1.18.1 | 1.18.2 | 1.18.3 | 1.18.4 | 1.18.5 | 1.19.0 | 1.19.2 | 1.19.3","eol":null,"hubHref":"/vendor/busybox/busybox"},{"vendor":"debian","product":"busybox","name":"busybox","label":"busybox","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/busybox","purlType":"deb","versions":[{"text":"< 1:1.20.0-3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.20.0-3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"busybox","name":"busybox","label":"busybox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/busybox","purlType":"deb","versions":[{"text":"< 1:1.21.0-1ubuntu1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.21.0-1ubuntu1","eol":null,"hubHref":null},{"vendor":"t-mobile","product":"tm-ac1900","name":"tm-ac1900","label":"tm-ac1900","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"3.0.0.4.376_3169","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.0.0.4.376_3169","eol":null,"hubHref":"/vendor/t-mobile/tm-ac1900"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://downloads.avaya.com/css/P8/documents/100158840","label":"downloads.avaya.com/css/P8/documents/100158840","hostname":"downloads.avaya.com","tags":["X Refsource CONFIRM"]},{"url":"http://www.busybox.net/news.html","label":"www.busybox.net/news.html","hostname":"www.busybox.net","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/45363","label":"secunia.com/advisories/45363","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"https://support.t-mobile.com/docs/DOC-21994","label":"support.t-mobile.com/docs/DOC-21994","hostname":"support.t-mobile.com","tags":["X Refsource CONFIRM"]},{"url":"https://bugs.busybox.net/show_bug.cgi?id=3979","label":"bugs.busybox.net/show_bug.cgi?id=3979","hostname":"bugs.busybox.net","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0810.html","label":"rhn.redhat.com/errata/RHSA-2012-0810.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://www.securityfocus.com/bid/48879","label":"www.securityfocus.com/bid/48879","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:129","label":"www.mandriva.com/security/advisories?name=MDVSA-2012:129","hostname":"www.mandriva.com","tags":["Vendor Advisory","X Refsource MANDRIVA"]},{"url":"http://seclists.org/fulldisclosure/2019/Jun/18","label":"seclists.org/fulldisclosure/2019/Jun/18","hostname":"seclists.org","tags":["Mailing List","X Refsource FULLDISC"]},{"url":"https://seclists.org/bugtraq/2019/Jun/14","label":"seclists.org/bugtraq/2019/Jun/14","hostname":"seclists.org","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html","label":"packetstormsecurity.com/files/…","hostname":"packetstormsecurity.com","tags":["X Refsource MISC"]},{"url":"http://seclists.org/fulldisclosure/2020/Aug/20","label":"seclists.org/fulldisclosure/2020/Aug/20","hostname":"seclists.org","tags":["Mailing List","X Refsource FULLDISC"]},{"url":"https://ubuntu.com/security/CVE-2011-2716","label":"ubuntu.com/security/CVE-2011-2716","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"http://www.openwall.com/lists/oss-security/2011/07/25/3","label":"www.openwall.com/lists/oss-security/2011/07/25/3","hostname":"www.openwall.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2716","label":"www.cve.org/CVERecord?id=CVE-2011-2716","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-2716","label":"security-tracker.debian.org/tracker/CVE-2011-2716","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["RHSA-2012:0308","RHSA-2012:0810"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-07-03T16:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T23:08:23.908Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T00:19:50.257Z","stale":false,"partial":false}}