Vulnerability · Published Sep 30, 2020 · Assigned by mitre

CVE-2020-24721

Medium 5.7

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS NVD)5.7Medium

Exploit odds (30 days)0.3%top 75.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.google/inside-google/company-announcements/update-exposure-notifications x_refsource_MISC
https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt x_refsource_MISC
FULLDISC: 20200929 CVE-2020-24721: Corona Exposure Notifications API: risk of coercion/data leakage [vs] mailing-list, x_refsource_FULLDISC
http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html x_refsource_MISC