Issue with AWS Sign-in IAM User Login Flow - Possible Username Enumeration
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AWS | AWS Sign-in IAM Login Flow | unaffected |
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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-1817 | 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. |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.360% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Issue with AWS Sign-in IAM User Login Flow - Possible Username Enumeration | |
| Weaknesses | CWE-204 CWE-208 |
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| References |
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| Metrics |
cvssV3_1
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