What is CVE-2021-0646?

CVE-2021-0646 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-17.

How severe is CVE-2021-0646?

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

Buffer overflow in Google Android

CVE-2021-0646

In sqlite3_str_vappendf of sqlite3.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege if the user can also inject a printf into a privileged process's SQL with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-153352319

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.2th 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 8.1, 9.0, 10.0
N/a Android — versions Android-9 Android-10 Android-11 Android-8.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0646?: CVE-2021-0646 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-17.
How severe is CVE-2021-0646?: High severity. CVSS v3 base score is 7.8 out of 10.