What is CVE-2023-20944?

CVE-2023-20944 is a high-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2023-02-28.

How severe is CVE-2023-20944?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-20944 known to be exploited?

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

Deserialization in Google Android

CVE-2023-20944

In run of ChooseTypeAndAccountActivity.java, there is a possible escalation of privilege due to unsafe deserialization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-244154558

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
N/a Android — versions Android-10 Android-11 Android-12 Android-12L Android-13

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20944?: CVE-2023-20944 is a high-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2023-02-28.
How severe is CVE-2023-20944?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-20944 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.