PT-2022-11033 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39755

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-12L

Description In DevicePolicyManager, there is a possible way to reveal the existence of an installed package without proper query permissions due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-12L, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-39755

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-39755 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39755 · Security Note
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://t.me/cibsecurity/39827 · Telegram Post