PT-2021-13283 · Google · Android

Published 2021-11-01 · Updated 2022-07-12 · CVE-2021-0649

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 permissions bypass in the stopVpnProfile function of Vpn.java, which could lead to a VPN profile reset. This might result in a local escalation of privilege with CONTROL ALWAYS ON VPN, requiring no additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android version Android-11, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ASB-A-191382886

CVE-2021-0649

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-11-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-191382886 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0649 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0649 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/591e345fbc0ccb6815e27ccff1a0ae9d02002a90 · Note
• https://android.googlesource.com/platform/packages/modules/Connectivity/+/a9ef5a9252761c73959cfb16a838d3c61fee77f3 · Note