How severe is CVE-2021-25363?

CVE-2021-25363 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2021-25363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25363?

CVE-2021-25363 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-25363 published?

CVE-2021-25363 was published on 2021-04-09 and last updated on 2026-06-17.

CVE-2021-25363

CVE-2021-25363 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 3.6
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Google Android
Published: 2021-04-09
Last modified: 2026-06-17

Description

An improper access control in ActivityManagerService prior to SMR APR-2021 Release 1 allows untrusted applications to access running processesdelete some local files.

Frequently asked questions

What is CVE-2021-25363?: An improper access control in ActivityManagerService prior to SMR APR-2021 Release 1 allows untrusted applications to access running processesdelete some local files.
How severe is CVE-2021-25363?: CVE-2021-25363 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2021-25363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25363?: CVE-2021-25363 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25363 published?: CVE-2021-25363 was published on 2021-04-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

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