How severe is CVE-2023-3747?

CVE-2023-3747 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-3747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3747?

CVE-2023-3747 affects Cloudflare Warp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3747?

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

When was CVE-2023-3747 published?

CVE-2023-3747 was published on 2023-09-07 and last updated on 2026-06-17.

CVE-2023-3747

CVE-2023-3747 is a medium-severity vulnerability in Cloudflare Warp 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. The underlying weakness is classified as CWE-565.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-565
Affected product: Cloudflare Warp
Published: 2023-09-07
Last modified: 2026-06-17

Description

Zero Trust Administrators have the ability to disallow end users from disabling WARP on their devices. Override codes can also be created by the Administrators to allow a device to temporarily be disconnected from WARP, however, due to lack of server side validation, an attacker with local access to the device, could extend the maximum allowed disconnected time of WARP client granted by an override code by changing the date & time on the local device where WARP is running.

Frequently asked questions

What is CVE-2023-3747?: Zero Trust Administrators have the ability to disallow end users from disabling WARP on their devices. Override codes can also be created by the Administrators to allow a device to temporarily be disconnected from WARP, however, due to lack of server side validation, an attacker with local access to the device, could extend the maximum allowed disconnected time of WARP client granted by an override code by changing the date & time on the local device where WARP is running.
How severe is CVE-2023-3747?: CVE-2023-3747 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-3747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3747?: CVE-2023-3747 affects Cloudflare Warp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3747 published?: CVE-2023-3747 was published on 2023-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cloudflare:warp:6.29:*:*:*:*:android:*:*

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