---
title: "Critical Vulnerabilities in Copeland XWEB and XWEB Pro Demand Immediate Patching"
short_title: "Copeland XWEB Pro critical flaws require urgent updates"
description: "Copeland XWEB and XWEB Pro versions ≤1.12.1 affected by 23 critical vulnerabilities, including RCE and authentication bypass. Learn how to mitigate risks now."
author: "Vitus"
date: 2024-10-02
categories: [Cybersecurity, Vulnerabilities]
tags: [copeland, xweb-pro, cve-2026, rce, authentication-bypass]
score: 0.95
cve_ids: [
CVE-2026-25085, CVE-2026-21718, CVE-2026-24663, CVE-2026-21389, CVE-2026-25111,
CVE-2026-20742, CVE-2026-24517, CVE-2026-25195, CVE-2026-20910, CVE-2026-24689,
CVE-2026-25109, CVE-2026-20902, CVE-2026-24695, CVE-2026-25105, CVE-2026-24452,
CVE-2026-23702, CVE-2026-25721, CVE-2026-20764, CVE-2026-25196, CVE-2026-25037,
CVE-2026-22877, CVE-2026-20797, CVE-2026-3037
]
---
TL;DR
Copeland XWEB and XWEB Pro versions 1.12.1 and earlier are plagued by 23 critical vulnerabilities, including authentication bypass, remote code execution (RCE), and denial-of-service (DoS) flaws. Exploitation could allow attackers to take full control of affected systems. Copeland has released patches—users must update immediately to mitigate risks.
---
Main Content
Introduction
Copeland’s XWEB and XWEB Pro building management systems, widely deployed in commercial facilities worldwide, have been found to contain 23 severe vulnerabilities. These flaws, ranging from authentication bypass to remote code execution (RCE), pose a significant risk to organizations relying on these systems for critical operations. Successful exploitation could enable attackers to compromise sensitive data, disrupt operations, or gain unauthorized access to networks.
Given the critical severity of these vulnerabilities—with CVSS scores as high as 10.0—immediate action is required to patch affected systems and implement defensive measures.
---
Key Points
- 23 vulnerabilities affect Copeland XWEB 300D PRO, XWEB 500D PRO, and XWEB 500B PRO versions 1.12.1 and earlier.
- Critical flaws include:
- Authentication bypass (CVE-2026-25085, CVE-2026-21718)
- Remote code execution (RCE) via OS command injection (e.g., CVE-2026-24663, CVE-2026-21389)
- Path traversal (CVE-2026-22877) and stack-based buffer overflow (CVE-2026-20797)
- Highest CVSS score: 10.0 (CVE-2026-21718), indicating maximum severity.
- No known public exploitation has been reported yet, but the risk of targeted attacks is high.
- Mitigation: Copeland has released patches—users must update immediately via the [official update page](https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate).
---
Technical Details
#### Vulnerability Breakdown
The vulnerabilities in Copeland XWEB and XWEB Pro can be categorized into five primary types:
1. Authentication Bypass
- CVE-2026-25085 and CVE-2026-21718 allow attackers to bypass authentication mechanisms, granting unauthorized access to the system.
- CVE-2026-21718 is particularly severe, with a CVSS score of 10.0, as it enables pre-authenticated RCE.
2. OS Command Injection
- 17 vulnerabilities (e.g., CVE-2026-24663, CVE-2026-21389) involve OS command injection, where attackers can execute arbitrary commands on the system by injecting malicious input into various routes (e.g., firmware updates, template uploads, or debug tools).
- These flaws typically require authenticated access, but the impact is severe, allowing full system compromise.
3. Path Traversal
- CVE-2026-22877 enables unauthenticated attackers to read arbitrary files on the system, potentially exposing sensitive data or causing a denial-of-service (DoS) condition.
4. Stack-Based Buffer Overflow
- CVE-2026-20797 allows unauthenticated attackers to crash the system by triggering a stack-based buffer overflow via a crafted API request.
5. Memory Corruption
- Several vulnerabilities (e.g., CVE-2026-25195, CVE-2026-25196) involve memory corruption, which could lead to RCE or system instability.
---
#### Attack Vectors
- Unauthenticated Attacks:
- Exploitation of CVE-2026-24663 (RCE via libraries installation route) or CVE-2026-22877 (path traversal) requires no prior access.
- Authenticated Attacks:
- Most OS command injection flaws (e.g., CVE-2026-21389, CVE-2026-25111) require valid credentials, but these can be obtained via phishing or credential stuffing.
- Lateral Movement:
- Once inside the system, attackers could move laterally within the network, targeting other critical infrastructure components.
---
Impact Assessment
The vulnerabilities in Copeland XWEB and XWEB Pro pose a grave risk to organizations, particularly those in commercial facilities where these systems are widely deployed. Potential impacts include:
1. Unauthorized Access
- Attackers could bypass authentication (CVE-2026-25085, CVE-2026-21718) and gain full control over affected systems.
2. Remote Code Execution (RCE)
- 17 OS command injection flaws enable attackers to execute arbitrary code, potentially leading to data theft, system manipulation, or malware deployment.
3. Denial-of-Service (DoS)
- CVE-2026-20797 (buffer overflow) and CVE-2026-22877 (path traversal) could be exploited to crash systems, disrupting operations in critical environments.
4. Data Exfiltration
- Path traversal (CVE-2026-22877) allows attackers to access sensitive files, including configuration data, user credentials, or proprietary information.
5. Supply Chain Risks
- Compromised XWEB systems could serve as a gateway for broader attacks on connected infrastructure, including HVAC, refrigeration, or energy management systems.
---
Mitigation Steps
Copeland has released patches to address these vulnerabilities. Users are strongly advised to take the following steps:
1. Immediate Patching
- Update XWEB and XWEB Pro systems to the latest version via Copeland’s [software update page](https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate).
- Alternatively, logged-in users can update directly from Copeland servers via the SYSTEM → Updates | Network menu.
2. Network Segmentation
- Isolate XWEB systems from business networks and the internet to limit exposure.
- Use firewalls to restrict access to trusted IP addresses only.
3. Access Controls
- Enforce strong authentication for XWEB systems, including multi-factor authentication (MFA) where possible.
- Limit administrative privileges to essential personnel only.
4. Monitoring and Logging
- Implement continuous monitoring for suspicious activity, such as unauthorized login attempts or unusual command execution.
- Enable detailed logging to aid in forensic analysis in case of an incident.
5. Incident Response
- Develop and test an incident response plan to quickly address potential breaches.
- Report any suspected exploitation to CISA or relevant cybersecurity authorities.
---
Affected Systems
The following Copeland XWEB and XWEB Pro versions are affected:
- XWEB 300D PRO (≤1.12.1)
- XWEB 500D PRO (≤1.12.1)
- XWEB 500B PRO (≤1.12.1)
These systems are deployed worldwide, primarily in commercial facilities such as retail stores, data centers, and industrial buildings.
---
Conclusion
The 23 critical vulnerabilities in Copeland XWEB and XWEB Pro systems represent a significant threat to organizations relying on these platforms. With authentication bypass, RCE, and DoS flaws present, attackers could compromise entire networks if left unpatched.
Immediate action is required:
1. Patch all affected systems using Copeland’s official update channels.
2. Isolate XWEB systems from business networks and the internet.
3. Monitor for suspicious activity and enforce strict access controls.
Organizations must treat this as a high-priority security issue to prevent potential breaches and operational disruptions. For further guidance, refer to CISA’s recommendations and Copeland’s [official advisory](https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate).
---
References
[^1]: CISA. "[ICSA-26-057-10 Copeland XWEB and XWEB Pro](https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10)". Retrieved 2024-10-02.
[^2]: Claroty Team82. "Vulnerability Research on Copeland XWEB Pro". Retrieved 2024-10-02.
[^3]: Copeland. "[System Software Update](https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate)". Retrieved 2024-10-02.