CVE-2021-39676 — HIGH (7.8)

Vulnerability Description

In writeThrowable of AndroidFuture.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-197228210

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-20

References

https://source.android.com/security/bulletin/2022-02-01Vendor Advisory
https://source.android.com/security/bulletin/2022-02-01Vendor Advisory

FAQ

What is CVE-2021-39676?

CVE-2021-39676 is a vulnerability with a CVSS score of 7.8 (HIGH). In writeThrowable of AndroidFuture.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no ad...

How severe is CVE-2021-39676?

CVE-2021-39676 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39676?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.