How severe is CVE-2023-42721?

CVE-2023-42721 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-42721 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-2023-42721?

CVE-2023-42721 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42721?

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

When was CVE-2023-42721 published?

CVE-2023-42721 was published on 2023-12-04 and last updated on 2026-06-17.

CVE-2023-42721

CVE-2023-42721 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2023-12-04
Last modified: 2026-06-17

Description

In flv extractor, there is a possible missing verification incorrect input. This could lead to local denial of service with no additional execution privileges needed

Frequently asked questions

What is CVE-2023-42721?: In flv extractor, there is a possible missing verification incorrect input. This could lead to local denial of service with no additional execution privileges needed
How severe is CVE-2023-42721?: CVE-2023-42721 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-42721 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-2023-42721?: CVE-2023-42721 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-42721 published?: CVE-2023-42721 was published on 2023-12-04 and last updated on 2026-06-17.

References

https://www.unisoc.com/en_us/secy/announcementDetail/https://www.unisoc.com/en_us/secy/announcementDetail/1731138365803266049

Affected products (1)

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

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