Vulnerability in Apple Exposure Notifications
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.
EPSS: 0.003 (24.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Apple Exposure_notifications
- Google Exposure_notifications
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-24721?
- CVE-2020-24721 is a medium-severity vulnerability in Apple Exposure Notifications. CVSS score: 5.7/10. Published 2020-09-30.
- How severe is CVE-2020-24721?
- Medium severity. CVSS v3 base score is 5.7 out of 10.