CVE-2025-0693 MEDIUM

CVE-2025-0693: Issue with AWS Sign-in IAM User Login Flow - Possible Username Enumeration

Vendor Aws
Product AWS Sign-in IAM Login Flow
Weakness CWE-204
Published January 23, 2025
Last update October 14, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 23, 2025 CVE published
October 14, 2025 Record updated