CVE-2020-24721

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

30/09/2020

Last modified:

22/10/2020

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.

Impact

Vector 3.x

CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.70 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

5.70

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.30

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apple:exposure_notifications::::::iphone_os::*		1.5 (including)
cpe:2.3:a:google:exposure_notifications::::::android::*		1.5 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-24721

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools