How severe is CVE-2023-21090?

CVE-2023-21090 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-21090 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-2023-21090?

CVE-2023-21090 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21090?

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

When was CVE-2023-21090 published?

CVE-2023-21090 was published on 2023-04-19 and last updated on 2026-06-17.

CVE-2023-21090

CVE-2023-21090 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.0. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Google Android
Published: 2023-04-19
Last modified: 2026-06-17

Description

In parseUsesPermission of ParsingPackageUtils.java, there is a possible boot loop due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-259942609

Frequently asked questions

What is CVE-2023-21090?: In parseUsesPermission of ParsingPackageUtils.java, there is a possible boot loop due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-259942609
How severe is CVE-2023-21090?: CVE-2023-21090 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-21090 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-2023-21090?: CVE-2023-21090 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21090 published?: CVE-2023-21090 was published on 2023-04-19 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2023-04-01

Affected products (1)

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

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