How severe is CVE-2024-39431?

CVE-2024-39431 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39431?

CVE-2024-39431 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-39431?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-39431 have an EU (EUVD) identifier?

Yes. CVE-2024-39431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37975.

When was CVE-2024-39431 published?

CVE-2024-39431 was published on 2024-09-27 and last updated on 2026-06-17.

CVE-2024-39431

CVE-2024-39431 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 8.3. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37975
Weakness: CWE-787
Affected product: Google Android
Published: 2024-09-27
Last modified: 2026-06-17

Description

In UMTS RLC driver, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service with System execution privileges needed.

Frequently asked questions

What is CVE-2024-39431?: In UMTS RLC driver, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service with System execution privileges needed.
How severe is CVE-2024-39431?: CVE-2024-39431 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39431?: CVE-2024-39431 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-39431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-39431 have an EU (EUVD) identifier?: Yes. CVE-2024-39431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37975.
When was CVE-2024-39431 published?: CVE-2024-39431 was published on 2024-09-27 and last updated on 2026-06-17.

References

https://www.unisoc.com/en_us/secy/announcementDetail/1830802995705610241

Affected products (3)

cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*

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