What’s Vulnerable › Vulnerabilities
CVE-2025-0693: Issue with AWS Sign-in IAM User Login Flow - Possible Username Enumeration
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-01-23 · updated 2026-06-17
- Weakness: CWE-204
Description
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 Sign-in IAM Login Flow: all versions
References
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