What is CVE-2021-0343?

CVE-2021-0343 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-02-04.

How severe is CVE-2021-0343?

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

Buffer overflow in Google Android

CVE-2021-0343

In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.5th 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 11.0
N/a Android — versions Android-11

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-0343?: CVE-2021-0343 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-02-04.
How severe is CVE-2021-0343?: Medium severity. CVSS v3 base score is 6.7 out of 10.