Request-url-http-3a-2f-2f169.254.169.254-2flatest-2fmeta Data-2fiam-2fsecurity Credentials-2f Site

http://169.254.169.254/latest/meta-data/iam/security-credentials/

, they can impersonate the instance and access any AWS resource the IAM role is permitted to use — often with devastating consequences. http://169

: Since the metadata service uses HTTP (not HTTPS), it's essential that this communication happens within a trusted network (like the EC2 instance's local network). AWS ensures this by only making the metadata service accessible from within the instance. "Expiration": "2023-04-12T23:55:44Z" In every case

Most SSRF vulnerabilities are limited to GET requests. Because IMDSv2 requires a PUT and a specific header, it effectively neutralizes the majority of SSRF-based credential thefts. Best Practices for Protection the root cause was .

"Code": "Success", "LastUpdated": "2023-04-12T16:55:44Z", "Type": "AWS4", "AccessKeyId": "ASIAQHJYEXAMPLE123", "SecretAccessKey": "6P+RveEXAMPLEKeyHere123", "SessionToken": "IQoJc2Vhc3QtMSJIMEYCIQCEXAMPLETokenValue123==", "Expiration": "2023-04-12T23:55:44Z"

In every case, the root cause was .