CVE-2026-20764 PUBLISHED

Copeland XWEB and XWEB Pro OS Command Injection

Assigner: icscert
Reserved: 05.02.2026 Published: 27.02.2026 Updated: 27.02.2026

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an authenticated attacker to achieve remote code execution on the system by providing malicious input via the device hostname configuration which is later processed during system setup, resulting in remote code execution.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 8

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Copeland
Product	Copeland XWEB 300D PRO
Versions	Default: unaffected affected from 0 to 1.12.1 (incl.)

Vendor	Copeland
Product	Copeland XWEB 500D PRO
Versions	Default: unaffected affected from 0 to 1.12.1 (incl.)

Vendor	Copeland
Product	Copeland XWEB 500B PRO
Versions	Default: unaffected affected from 0 to 1.12.1 (incl.)

Solutions

Alternatively, a user logged into an XWEB Pro with internet access can update XWEB Pro directly from Copeland servers via the menu SYSTEM -- Updates | Network.

Credits

Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA. finder

References

Problem Types

CWE-78 CWE