CVE-2021-39783 — HIGH (7.8)

Vulnerability Description

In rcsservice, there is a possible way to modify TTY mode due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-197960597

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	12.0

Related Weaknesses (CWE)

CWE-269

References

https://source.android.com/security/bulletin/android-12lVendor Advisory
https://source.android.com/security/bulletin/android-12lVendor Advisory

FAQ

What is CVE-2021-39783?

CVE-2021-39783 is a vulnerability with a CVSS score of 7.8 (HIGH). In rcsservice, there is a possible way to modify TTY mode due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User inter...

How severe is CVE-2021-39783?

CVE-2021-39783 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-2021-39783?

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