What is CVE-2021-0475?

CVE-2021-0475 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.8/10. Published 2021-06-11.

How severe is CVE-2021-0475?

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

Is CVE-2021-0475 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Google Android

CVE-2021-0475

In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168

Vulnerability class: Use-After-Free

EPSS: 0.010 (58.5th 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 10.0, 11.0
N/a Android — versions Android-11 Android-10

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0475?: CVE-2021-0475 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.8/10. Published 2021-06-11.
How severe is CVE-2021-0475?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-0475 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.