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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.7 MEDIUM
PHYSICAL
LOW
LOW
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
mitreCNA
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
References
http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html
https://blog.google/inside-google/company-announcements/update-exposure-notifications
https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt
https://seclists.org/fulldisclosure/2020/Sep/53
http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html
https://blog.google/inside-google/company-announcements/update-exposure-notifications
https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt
https://seclists.org/fulldisclosure/2020/Sep/53