What is CVE-2023-21115?

CVE-2023-21115 is a high-severity vulnerability in Google Android, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.8/10. Published 2023-06-15.

How severe is CVE-2023-21115?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Android

CVE-2023-21115

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

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 11.0, 12.0, 12.1
N/a Android — versions Android-11 Android-12 Android-12L

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21115?: CVE-2023-21115 is a high-severity vulnerability in Google Android, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.8/10. Published 2023-06-15.
How severe is CVE-2023-21115?: High severity. CVSS v3 base score is 8.8 out of 10.