VulnerabilityModified
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.
MEDIUM 5.7EPSS 0.32%
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
- EPSS
- 0.32% probability · 25th percentile
- CISA KEV
- Not listed
- Affected
- apple/exposure notifications · google/exposure notifications
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.htmlThird Party Advisory, VDB Entry
- https://blog.google/inside-google/company-announcements/update-exposure-notificationsVendor Advisory
- https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txtThird Party Advisory
- https://seclists.org/fulldisclosure/2020/Sep/53Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.htmlThird Party Advisory, VDB Entry
- https://blog.google/inside-google/company-announcements/update-exposure-notificationsVendor Advisory
- https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txtThird Party Advisory
- https://seclists.org/fulldisclosure/2020/Sep/53Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.