What is CVE-2021-0657?

CVE-2021-0657 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-18.

How severe is CVE-2021-0657?

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

Buffer overflow in Google Android

CVE-2021-0657

In apusys, there is a possible out of bounds write due to a stack-based buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05672103; Issue ID: ALPS05672103.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.6th 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
Mediatek Mt6873
Mediatek Mt6875
Mediatek Mt6877
Mediatek Mt6883
Mediatek Mt6885
Mediatek Mt6889
Mediatek Mt6891
Mediatek Mt6893
Mediatek Mt8195

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0657?: CVE-2021-0657 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-18.
How severe is CVE-2021-0657?: Medium severity. CVSS v3 base score is 6.7 out of 10.