Critical severity · published Mar 16, 2022
CVE-2021-39708
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to an incorrect bounds check
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206128341
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
12.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39708
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39708
Vendor Advisory
https://source.android.com/security/bulletin/2022-03-01
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