CVE-2021-39707

HIGHCVSS 7.8/10EPSS 0.12%

Last modified

CVE-2021-39707 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In onReceive of AppRestrictionsFragment.java, there is a possible way to start a phone call without permissions due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In onReceive of AppRestrictionsFragment.java, there is a possible way to start a phone call without permissions due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-200688991

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.12%

2.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleAndroid10.0
GoogleAndroid11.0
GoogleAndroid12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39707?
In onReceive of AppRestrictionsFragment.java, there is a possible way to start a phone call without permissions due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-200688991
How severe is CVE-2021-39707?
CVE-2021-39707 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39707?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39707?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST