What is CVE-2021-0685?

CVE-2021-0685 is a high-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2021-10-06.

How severe is CVE-2021-0685?

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

Deserialization in Google Android

CVE-2021-0685

In ParsedIntentInfo of ParsedIntentInfo.java, there is a possible parcel serialization/deserialization mismatch 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-11Android ID: A-191055353

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (9.0th 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 11.0
N/a Android — versions Android-11

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2021-0685?: CVE-2021-0685 is a high-severity vulnerability in Google Android, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2021-10-06.
How severe is CVE-2021-0685?: High severity. CVSS v3 base score is 7.8 out of 10.