Every CVE Search/ Get API key

CVE-2021-0487

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the...

7.8 HighFix available

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174046397

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

0.12%Down 0.3 points since Jun 12, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174046397

Record
CVE-2021-0487
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-1021
Updated
2026-11-02
CVE List No score

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174046397

Record
CVE-2021-0487
Updated
2026-11-02
EUVDEUVD-2021-3106 No score

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174046397

Record
EUVD-2021-3106
Updated
2026-11-03
GitHub AdvisoriesGHSA-f24j-7hhf-mfrw 7.8

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the...

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174046397

Record
GHSA-f24j-7hhf-mfrw
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-269
Updated
2026-11-02
OSVASB-A-174046397 No score

In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Record
ASB-A-174046397
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/packages/providers/CalendarProvider
Android
11:0 up to 11:2021-05-01, plus listed versions
11
11:2021-05-01

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-2021-0487 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 0.12%, the 1st percentile. Fixed in platform/packages/providers/CalendarProvider 11:2021-05-01.

References

MoveEnter Open