What is CVE-2021-0407?

CVE-2021-0407 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-08-18.

How severe is CVE-2021-0407?

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

Buffer overflow in Google Android

CVE-2021-0407

In clk driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05479659; Issue ID: ALPS05479659.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.1th 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 10.0, 11.0
N/a Mt6739, Mt6761, Mt6762, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6833, Mt6853, Mt6853t, Mt6873, Mt6885, Mt6889, Mt6893 — versions Android 10.0, 11.0

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-2021-0407?: CVE-2021-0407 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-08-18.
How severe is CVE-2021-0407?: Medium severity. CVSS v3 base score is 6.7 out of 10.