Remote access to warp-svc.exe in Cloudflare WARP
CVE-2023-1862

7.3HIGH

Key Information:

Vendor

Cloudflare

Vendor
CVE Published:
20 June 2023

What is CVE-2023-1862?

An access control vulnerability in the Cloudflare WARP client for Windows, up to version 2023.3.381.0, allows remote attackers to access the warp-svc.exe binary via an IPC Named Pipe. This can lead to unauthorized execution of connect and disconnect commands for the WARP service, as well as exposure of sensitive network diagnostics and configuration information from the targeted device. Successful exploitation requires specific conditions, such as the device being accessible on port 445 and either allowing NULL session authentication or having leaked credentials.

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Affected Version(s)

WARP Client Windows 0 < 2023.3.381.0

References

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.