PT-2021-13318 · Google · Android

Published 2021-09-01 · Updated 2022-07-12 · CVE-2021-0686

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Android versions Android-10 through Android-11

Description In the getDefaultSmsPackage method of RoleManagerService.java, a missing permission check allows for the potential disclosure of information about the default SMS app of a different device user. This issue can lead to local information disclosure without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-10 through Android-11, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

ASB-A-177927831

CVE-2021-0686

Affected Products

Android

References · 8

• https://osv.dev/vulnerability/ASB-A-177927831 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0686 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-09-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0686 · Security Note
• https://t.me/cvenotify/22141 · Telegram Post
• https://t.me/cvenotify/21986 · Telegram Post
• https://t.me/cibsecurity/30057 · Telegram Post
• https://android.googlesource.com/platform/frameworks/base/+/7f39ba09b8ccad2ae50874d3643cdc93746391ea · Note