CVE-2020-24655

CVSS V2 Low 1.9 CVSS V3 Medium 5.1

Description

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).

Overview

CVE ID
CVE-2020-24655

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-09-10T02:15:11

Last Modified Date
2020-09-16T13:59:28

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:twilio:authy_2-factor_authentication:24.3.7:::::android::	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:P/I:N/A:N

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
1.9

Severity
LOW

Exploitability Score
3.4

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.1

Base Severity
MEDIUM

Exploitability Score
1.4

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.twilio.com/changelog	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-24655
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24655

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:24:17				Added to TrackCVE
2022-12-04 22:18:31	2020-09-10T02:15Z	2020-09-10T02:15:11	CVE Published Date	updated
2022-12-04 22:18:31		2020-09-16T13:59:28	CVE Modified Date	updated
2022-12-04 22:18:31		Analyzed	Vulnerability Status	updated