CVE-2021-0977

Name: CVE-2021-0977
Creator: NVD / NIST
Published: 2021-12-15T19:15:12.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-0977 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.11%

1.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Android	12.0

References

https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0977?

How severe is CVE-2021-0977?

CVE-2021-0977 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0977?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0977?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST