What is CVE-2021-0977?

CVE-2021-0977 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-12-15.

How severe is CVE-2021-0977?

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

Buffer overflow in Google Android

CVE-2021-0977

In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, 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.Product: AndroidVersions: Android-12Android ID: A-183487770

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.7th 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 12.0
N/a Android — versions Android-12

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-0977?: CVE-2021-0977 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-12-15.
How severe is CVE-2021-0977?: Medium severity. CVSS v3 base score is 6.7 out of 10.