What is CVE-2023-21209?

CVE-2023-21209 is a medium-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 6.7/10. Published 2023-06-28.

How severe is CVE-2023-21209?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Deserialization in Google Android

CVE-2023-21209

In multiple functions of sta_iface.cpp, there is a possible out of bounds read due to unsafe deserialization. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-262236273

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 13.0
N/a Android — versions Android-13

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21209?: CVE-2023-21209 is a medium-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 6.7/10. Published 2023-06-28.
How severe is CVE-2023-21209?: Medium severity. CVSS v3 base score is 6.7 out of 10.