How severe is CVE-2023-21176?

CVE-2023-21176 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 none, integrity none, and availability high.

Is CVE-2023-21176 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-2023-21176?

CVE-2023-21176 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21176?

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

When was CVE-2023-21176 published?

CVE-2023-21176 was published on 2023-06-28 and last updated on 2026-06-17.

CVE-2023-21176

CVE-2023-21176 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Google Android
Published: 2023-06-28
Last modified: 2026-06-17

Description

In list_key_entries of utils.rs, there is a possible way to disable user credentials due to resource exhaustion. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-222287335

Frequently asked questions

What is CVE-2023-21176?: In list_key_entries of utils.rs, there is a possible way to disable user credentials due to resource exhaustion. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-222287335
How severe is CVE-2023-21176?: CVE-2023-21176 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 none, integrity none, and availability high.
Is CVE-2023-21176 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-2023-21176?: CVE-2023-21176 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21176?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21176 published?: CVE-2023-21176 was published on 2023-06-28 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2023-06-01

Affected products (1)

cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

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