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CVE-2012-6639
An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance…
High8.8EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- insecure transmission of EC2 instance data can lead to root privilege escalation
- CWE-269 (opens in a new tab)
Affected products
cloud-init · cloud-init
- affected before 0.7.0
References (6)
- https://security-tracker.debian.org/tracker/CVE-2012-6639 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-6639 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-6639 (opens in a new tab)x_refsource_MISCx_transferred
- https://access.redhat.com/security/cve/cve-2012-6639 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2014/03/06/7 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.securityfocus.com/bid/66019/references (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .