What is CVE-2020-35152?

CVE-2020-35152 is a medium-severity vulnerability in Cloudflare Warp For Windows, classified under Unquoted Search Path or Element. CVSS score: 4.5/10. Published 2021-02-03.

How severe is CVE-2020-35152?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Vulnerability in Cloudflare Warp For Windows

CVE-2020-35152

Cloudflare WARP for Windows allows privilege escalation due to an unquoted service path. A malicious user or process running with non-administrative privileges can become an administrator by abusing the unquoted service path issue. Since version 1.2.2695.1, the vulnerability was fixed by adding quotes around the service's binary path. This issue affects Cloudflare WARP for Windows, versions prior to 1.2.2695.1.

Published 2021-02-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (17.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cloudflare Warp For Windows — versions unspecified
Cloudflare Warp

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

github.com/cloudflare/advisories/security/advisories/GHSA-qc57-v5q8-f22h (Third Party Advisory)

Frequently asked questions

What is CVE-2020-35152?: CVE-2020-35152 is a medium-severity vulnerability in Cloudflare Warp For Windows, classified under Unquoted Search Path or Element. CVSS score: 4.5/10. Published 2021-02-03.
How severe is CVE-2020-35152?: Medium severity. CVSS v3 base score is 4.5 out of 10.