How severe is CVE-2021-0449?

CVE-2021-0449 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-0449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0449?

CVE-2021-0449 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-0449?

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

When was CVE-2021-0449 published?

CVE-2021-0449 was published on 2021-03-10 and last updated on 2026-06-17.

CVE-2021-0449

CVE-2021-0449 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 4.4. 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-665.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Google Android
Published: 2021-03-10
Last modified: 2026-06-17

Description

In the Titan M chip firmware, there is a possible disclosure of stack memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-175117965

Frequently asked questions

What is CVE-2021-0449?: In the Titan M chip firmware, there is a possible disclosure of stack memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-175117965
How severe is CVE-2021-0449?: CVE-2021-0449 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-0449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0449?: CVE-2021-0449 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-0449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0449 published?: CVE-2021-0449 was published on 2021-03-10 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2021-03-01

Affected products (1)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

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