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CVE-2022-4428

26
FAUCET Score

CVE-2022-4428 is a privilege escalation vulnerability affecting the Cloudflare WARP client. It stems from improper validation of the "support_uri" parameter in the mdm.xml local settings file, allowing an attacker to execute arbitrary code by crafting a malicious XML configuration or manipulating the Cloudflare Zero Trust Dashboard. With a CVSS score of 8.0 (HIGH), this vulnerability has a high impact on confidentiality, integrity, and availability, requiring user interaction but with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2022.10.106.0CPE matchmatch criteria
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:windows:*:*
>= 0, <= 2022.10.106.0CPE match
cpe:2.3:a:cloudflare:warp:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

8.9HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 64th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / cloudflare/advisories/security/advisories/GHSA-h3j3-fhqg-66rh
ProductThird Party Advisory