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Attributed metadata history

REPORTPUBLIC METADATA

Amazon Cognito Rate Limit Bypass Vulnerability

A rate limit bypass vulnerability was discovered in Amazon Cognito, allowing attackers to potentially brute-force login credentials, password reset PINs, and MFA codes by sending requests in parallel. The vulnerability affected the main login flow, password reset function, and MFA process, potentially exposing user accounts to unauthorized access.

Reference details

Source category
Research & news
Report title
Amazon Cognito Rate Limit Bypass Vulnerability
First reported
Dec 27, 2023 00:00 UTC
Last reported
Dec 27, 2023 00:00 UTC
Catalog updated
Oct 08, 2026 03:52 UTC
Record ID
e262668eff233661d9bdef7d01d238a7d59c65df4c226c0936ba11052240850d

Published indicators

Network indicators are visibly defanged. This page does not make them clickable or send them to another service.

No validated file hashes or network indicators are stored for this record.

Source observations

src_d11443da85ea659d49

Source-provided label
Not reported
Evidence class
mentioned in report
Confidence
Not reported
Observed
Dec 27, 2023 00:00 UTC
Retrieved
Oct 08, 2026 03:52 UTC

This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.

Feed collection status

Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.

1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.

Review source update dates and status
  • src_d11443da85ea659d49Collection status unverifiedLast successful batch: Unverified

Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.