CVE-2017-9450

7.8 highEPSS 0.4%

The Amazon Web Services (AWS) CloudFormation bootstrap tools package (aka aws-cfn-bootstrap) before 1.4-19.10 allows local users to execute arbitrary code with root privileges by leveraging the ability to create files in an unspecified directory.

Severity

CVSS 3.0

7.8 high

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2017-10-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

amazon:amazon_web_services_cloudformation_bootstrap

References

http://www.securityfocus.com/bid/99972
https://alas.aws.amazon.com/ALAS-2017-861.html
https://sintonen.fi/advisories/aws-cfn-bootstrap-local-code-execution-as-root.txt
http://www.securityfocus.com/bid/99972
https://alas.aws.amazon.com/ALAS-2017-861.html

Check your stack JSON