Vulnerability record · CVE-2021-0870 · published 22 October 2021

CVE-2021-0870: Google android race condition vulnerability

Google · Android

In RW_SetActivatedTagType of rw_main.cc, there is possible memory corruption due to a race condition. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-192472262

8.1 CVSS 3.1 High EPSS 7.0% · top 6.1% CWE-362 · Race condition

8.1CVSS 3.1 base score, v2 9.3

7.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Android Google

References

Link	Tags
http://packetstormsecurity.com/files/164704/Android-NFC-Type-Confusion.html	Third Party AdvisoryVDB Entry
https://source.android.com/security/bulletin/2021-10-01	PatchVendor Advisory
http://packetstormsecurity.com/files/164704/Android-NFC-Type-Confusion.html	Third Party AdvisoryVDB Entry
https://source.android.com/security/bulletin/2021-10-01	PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-0870), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.