{"cve":"CVE-2012-6639","nvd":{"published":"2019-11-25T18:15:11.517","modified":"2026-06-16T23:48:31.790","status":"Modified","description":"An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance data.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-269"],"references":["http://www.openwall.com/lists/oss-security/2014/03/06/7","https://access.redhat.com/security/cve/cve-2012-6639","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-6639","https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-6639","https://security-tracker.debian.org/tracker/CVE-2012-6639"],"products":["canonical:cloud-init","debian:debian_linux","suse:linux_enterprise_server"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2012-6639","score":0.02049,"percentile":0.81223,"date":"2026-10-31"},"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."]}