CVE-2025-0693: Aws Sign-In Iam Login Flow

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Variable response times in the AWS Sign-in IAM user login flow allowed for the use of brute force enumeration techniques to identify valid IAM usernames in an arbitrary AWS account.

Affected products

• Aws Aws Sign-In Iam Login Flow: affected versions not specified

Published 2025-01-23. Last modified 2026-06-17.