What is CVE-2021-0543?

CVE-2021-0543 is a medium-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 6.7/10. Published 2021-06-22.

How severe is CVE-2021-0543?

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

Buffer overflow in Google Android

CVE-2021-0543

In phNxpNciHal_process_ext_rsp of phNxpNciHal_ext.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169258743

Vulnerability class: Integer Overflow

EPSS: 0.001 (1.9th 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)

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0543?: CVE-2021-0543 is a medium-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 6.7/10. Published 2021-06-22.
How severe is CVE-2021-0543?: Medium severity. CVSS v3 base score is 6.7 out of 10.