IMDS impersonation

2025 021 ยท 2026-06-05

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Technical Details

Affected Versions IMDSv1, IMDSv2
Regions all
Cost Impact Neutral

What This Means

For DevOps Teams

Update configurations for AWS CLI, SDK, and SSM Agent to follow AWS's guidelines, and monitor network traffic for unexpected IMDS endpoints to prevent impersonation issues.

For Platform Teams

Deploy monitoring solutions to detect IMDS traffic in on-premises environments and ensure that AWS tools are correctly configured to avoid interacting with unexpected IMDS endpoints.

For Executives

Evaluate and implement AWS's recommended configurations and monitoring practices to mitigate the risk of IMDS impersonation, ensuring secure interactions with AWS services and protecting against unauthorized access.

Source

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