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CVE-2021-0494

In memory management driver, there is a possible out of bounds write due to an integer overflow....

7.8 HighFix available

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183461318

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.13%Down 0.3 points since Jun 12, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183461318

Record
CVE-2021-0494
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183461318

Record
CVE-2021-0494
Updated
2026-11-02
EUVDEUVD-2021-3113 No score

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183461318

Record
EUVD-2021-3113
Updated
2026-11-03
GitHub AdvisoriesGHSA-fw8f-w2g8-q74w No score

In memory management driver, there is a possible out of bounds write due to an integer overflow....

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183461318

Record
GHSA-fw8f-w2g8-q74w
Weakness
CWE-190
Updated
2026-11-02
OSVASB-A-183461318 No score

In memory management driver, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
ASB-A-183461318
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
:unknown:
Android
SoCVersion:0 up to SoCVersion:2021-05-05, plus listed versions
SoCVersion
SoCVersion:2021-05-05

History

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

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

In short

CVE-2021-0494 is a high vulnerability (CVSS 7.8) in Google Android, published May 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in :unknown: SoCVersion:2021-05-05.

References

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