How severe is CVE-2021-25393?

CVE-2021-25393 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-25393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25393?

CVE-2021-25393 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25393?

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

When was CVE-2021-25393 published?

CVE-2021-25393 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-25393

CVE-2021-25393 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 6.6. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Google Android
Published: 2021-06-11
Last modified: 2026-06-17

Description

Improper sanitization of incoming intent in SecSettings prior to SMR MAY-2021 Release 1 allows local attackers to get permissions to access system uid data.

Frequently asked questions

What is CVE-2021-25393?: Improper sanitization of incoming intent in SecSettings prior to SMR MAY-2021 Release 1 allows local attackers to get permissions to access system uid data.
How severe is CVE-2021-25393?: CVE-2021-25393 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-25393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25393?: CVE-2021-25393 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25393 published?: CVE-2021-25393 was published on 2021-06-11 and last updated on 2026-06-17.

References

Affected products (2)

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

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