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CVE-2021-39790

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing...

7.8 High

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405146

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.32%Down 2.2 points since Mar 31, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405146

Record
CVE-2021-39790
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-863
Updated
2026-11-02
CVE List No score

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405146

Record
CVE-2021-39790
Updated
2026-11-02
EUVDEUVD-2021-26147 No score

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405146

Record
EUVD-2021-26147
Updated
2026-11-03
GitHub AdvisoriesGHSA-9jx3-vx23-h456 7.8

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing...

In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405146

Record
GHSA-9jx3-vx23-h456
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-863
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-39790 is a high vulnerability (CVSS 7.8) in Google Android, published March 30, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.

References

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