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Vulnerability record · CVE-2012-6639 · published 25 November 2019

CVE-2012-6639: Canonical cloud-init improper privilege management vulnerability

Canonical · Cloud Init

An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance data.

8.8 CVSS 3.1 High EPSS 2.0% · top 19.5% CWE-269 · Improper privilege management
8.8CVSS 3.1 base score, v2 9.0
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2014/03/06/7 Mailing ListThird Party Advisory
https://access.redhat.com/security/cve/cve-2012-6639 PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-6639 Issue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-6639 Issue TrackingThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2012-6639 Third Party Advisory
https://www.securityfocus.com/bid/66019/references Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2014/03/06/7 Mailing ListThird Party Advisory
https://access.redhat.com/security/cve/cve-2012-6639 PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-6639 Issue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-6639 Issue TrackingThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2012-6639 Third Party Advisory
https://www.securityfocus.com/bid/66019/references Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2012-6639), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.