How severe is CVE-2021-25467?

CVE-2021-25467 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-25467 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-2021-25467?

CVE-2021-25467 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25467?

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

When was CVE-2021-25467 published?

CVE-2021-25467 was published on 2021-10-06 and last updated on 2026-06-17.

CVE-2021-25467

CVE-2021-25467 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.3. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 7.2
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Google Android
Published: 2021-10-06
Last modified: 2026-06-17

Description

Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library.

Frequently asked questions

What is CVE-2021-25467?: Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library.
How severe is CVE-2021-25467?: CVE-2021-25467 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-25467 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-2021-25467?: CVE-2021-25467 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25467 published?: CVE-2021-25467 was published on 2021-10-06 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

Affected products (1)

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

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