PT-2021-13351 · Google · Android

Published 2021-11-01 · Updated 2021-12-17 · CVE-2021-0921

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue is related to a parcel serialization/deserialization mismatch in the ParsingPackageImpl.java file due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android version Android-11, apply the necessary security patches to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ASB-A-195962697

CVE-2021-0921

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/2021-11-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0921 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0921 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-195962697 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/f93af7ef7ebe9d139a34e615b97393a41ebabb56 · Note