CVE-2024-39891

unknown KEV

Published 2024-07-23 · Modified 2024-07-23

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

1.5

Description

Twilio Authy contains an information disclosure vulnerability in its API that allows an unauthenticated endpoint to accept a request containing a phone number and respond with information about whether the phone number was registered with Authy.

CISA KEV

Vendor: Twilio
Product: Authy
Due date: 2024-08-13

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

References

https://www.twilio.com/en-us/changelog/Security_Alert_Authy_App_Android_iOS; https://nvd.nist.gov/vuln/detail/CVE-2024-39891

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.