How severe is CVE-2019-9443?

CVE-2019-9443 has a CVSS 3.x base score of 6.7, 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 high, and availability high.

Is CVE-2019-9443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9443?

CVE-2019-9443 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9443?

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

When was CVE-2019-9443 published?

CVE-2019-9443 was published on 2019-09-06 and last updated on 2026-06-17.

CVE-2019-9443

CVE-2019-9443 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 6.7. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Google Android
Published: 2019-09-06
Last modified: 2026-06-17

Description

In the Android kernel in the vl53L0 driver there is a possible out of bounds write due to a permissions bypass. This could lead to local escalation of privilege due to a set_fs() call without restoring the previous limit with System execution privileges needed. User interaction is not needed for exploitation.

Frequently asked questions

What is CVE-2019-9443?: In the Android kernel in the vl53L0 driver there is a possible out of bounds write due to a permissions bypass. This could lead to local escalation of privilege due to a set_fs() call without restoring the previous limit with System execution privileges needed. User interaction is not needed for exploitation.
How severe is CVE-2019-9443?: CVE-2019-9443 has a CVSS 3.x base score of 6.7, 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 high, and availability high.
Is CVE-2019-9443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9443?: CVE-2019-9443 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9443 published?: CVE-2019-9443 was published on 2019-09-06 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2019-09-01

Affected products (1)

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

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