CVE-2023-21115 — HIGH (8.8)

Vulnerability Description

In btm_sec_encrypt_change of btm_sec.cc, there is a possible way to downgrade the link key type due to improperly used crypto. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-258834033

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-327

References

https://source.android.com/security/bulletin/2023-06-01Vendor Advisory
https://source.android.com/security/bulletin/2023-06-01Vendor Advisory

FAQ

What is CVE-2023-21115?

CVE-2023-21115 is a vulnerability with a CVSS score of 8.8 (HIGH). In btm_sec_encrypt_change of btm_sec.cc, there is a possible way to downgrade the link key type due to improperly used crypto. This could lead to paired device escalation of privilege with no addition...

How severe is CVE-2023-21115?

CVE-2023-21115 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21115?

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