Vulnerability in Twilio Authy 2-Factor Authentication
CVE-2020-24655
A race condition in the Twilio Authy 2-Factor Authentication application before 24.3.7 for Android allows a user to potentially approve/deny an access request prior to unlocking the application with a PIN on older Android devices (effectively bypassing the PIN requirement).
Vulnerability class: Race Condition
EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Twilio Authy_2-factor_authentication — versions 24.3.7
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-24655?
- CVE-2020-24655 is a medium-severity vulnerability in Twilio Authy 2-Factor Authentication, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.1/10. Published 2020-09-10.
- How severe is CVE-2020-24655?
- Medium severity. CVSS v3 base score is 5.1 out of 10.
- Is CVE-2020-24655 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.