How severe is CVE-2022-3320?

CVE-2022-3320 has a CVSS 3.x base score of 6.7, 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 high, and availability low.

Is CVE-2022-3320 being actively exploited?

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

What products are affected by CVE-2022-3320?

CVE-2022-3320 primarily affects Cloudflare Warp. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-3320?

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

When was CVE-2022-3320 published?

CVE-2022-3320 was published on 2022-10-28 and last updated on 2026-06-17.

CVE-2022-3320

CVE-2022-3320 is a medium-severity vulnerability in Cloudflare Warp 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Cloudflare Warp
Published: 2022-10-28
Last modified: 2026-06-17

Description

It was possible to bypass policies configured for Zero Trust Secure Web Gateway by using warp-cli 'set-custom-endpoint' subcommand. Using this command with an unreachable endpoint caused the WARP Client to disconnect and allowed bypassing administrative restrictions on a Zero Trust enrolled endpoint.

Frequently asked questions

What is CVE-2022-3320?: It was possible to bypass policies configured for Zero Trust Secure Web Gateway by using warp-cli 'set-custom-endpoint' subcommand. Using this command with an unreachable endpoint caused the WARP Client to disconnect and allowed bypassing administrative restrictions on a Zero Trust enrolled endpoint.
How severe is CVE-2022-3320?: CVE-2022-3320 has a CVSS 3.x base score of 6.7, 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 high, and availability low.
Is CVE-2022-3320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3320?: CVE-2022-3320 primarily affects Cloudflare Warp. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-3320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3320 published?: CVE-2022-3320 was published on 2022-10-28 and last updated on 2026-06-17.

References

https://github.com/cloudflare/advisories/security/advisories/GHSA-3868-hwjx-r5xf

Affected products (3)

cpe:2.3:a:cloudflare:warp:*:*:*:*:*:windows:*:*
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:macos:*:*
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:linux_kernel:*:*

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