CVE Vulnerability

CVE-2020-24721

An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt Third Party Advisory
https://blog.google/inside-google/company-announcements/update-exposure-notifications Vendor Advisory
https://seclists.org/fulldisclosure/2020/Sep/53 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:apple:exposure_notifications:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:google:exposure_notifications:*:*:*:*:*:android:*:*
Information

Published : 2020-09-30 06:15

Updated : 2020-10-22 04:16

NVD link : CVE-2020-24721

Mitre link : CVE-2020-24721

Products Affected
No products.
CWE
NVD-CWE-noinfo