CVE-2025-0693
Published: 23 January 2025
Summary
CVE-2025-0693 is a medium-severity Observable Response Discrepancy (CWE-204) vulnerability in Amazon (inferred from references). Its CVSS base score is 6.9 (Medium).
Operationally, ranked at the 35.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-1817
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Fake or randomized responses remove distinguishable success/failure signals attackers rely on.
Observable timing discrepancies are a primary mechanism for constructing covert timing channels; analysis identifies and bounds them, limiting exploitation.
Eliminates distinguishable response discrepancies in error conditions that could be exploited for reconnaissance.