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CVE-2021-0870

In RW_SetActivatedTagType of rw_main.cc, there is possible memory corruption due to a race...

8.1 HighFix available

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

7.01%Up 6.3 points since Oct 23, 2021
90%50%10%1%

What each source reports

NVD Score used 8.1

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

Record
CVE-2021-0870
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-362
Updated
2026-11-02
CVE List No score

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

Record
CVE-2021-0870
Updated
2026-11-02
EUVDEUVD-2021-3489 No score

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

Record
EUVD-2021-3489
Updated
2026-11-03
GitHub AdvisoriesGHSA-p2h2-485g-vmrr No score

In RW_SetActivatedTagType of rw_main.cc, there is possible memory corruption due to a race...

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

Record
GHSA-p2h2-485g-vmrr
Weakness
CWE-362
Updated
2026-11-02
OSVASB-A-192472262 No score

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.

Record
ASB-A-192472262
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/system/nfc
Android
12-next:0 up to 12-next:2021-10-05, plus listed versions
12-next
12-next:2021-10-05
platform/system/nfc
Android
8.1:0 up to 8.1:2021-10-05, plus listed versions
8.1
8.1:2021-10-05
platform/system/nfc
Android
9:0 up to 9:2021-10-05, plus listed versions
9
9:2021-10-05
platform/system/nfc
Android
10:0 up to 10:2021-10-05, plus listed versions
10
10:2021-10-05
platform/system/nfc
Android
11:0 up to 11:2021-10-05, plus listed versions
11
11:2021-10-05
platform/system/nfc
Android
12:0 up to 12:2021-10-05, plus listed versions
12
12:2021-10-05

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-0870 is a high vulnerability (CVSS 8.1) in Google Android, published October 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.01%, the 94th percentile. Fixed in platform/system/nfc 12-next:2021-10-05.

References

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