How severe is CVE-2021-25519?

CVE-2021-25519 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-25519 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-2021-25519?

CVE-2021-25519 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25519?

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

When was CVE-2021-25519 published?

CVE-2021-25519 was published on 2021-12-08 and last updated on 2026-06-17.

CVE-2021-25519

CVE-2021-25519 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 4.0. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Google Android
Published: 2021-12-08
Last modified: 2026-06-17

Description

An improper access control vulnerability in CPLC prior to SMR Dec-2021 Release 1 allows local attackers to access CPLC information without permission.

Frequently asked questions

What is CVE-2021-25519?: An improper access control vulnerability in CPLC prior to SMR Dec-2021 Release 1 allows local attackers to access CPLC information without permission.
How severe is CVE-2021-25519?: CVE-2021-25519 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-25519 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-2021-25519?: CVE-2021-25519 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25519?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25519 published?: CVE-2021-25519 was published on 2021-12-08 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=12

Affected products (3)

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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