External risk intelligence

Weaver e-cology Remote Code Execution Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-51892

Weaver e-cology is an enterprise collaboration and office automation platform. Such systems are typically deployed as web-based applications intended for access by employees, including remote workers, often requiring the application to be reachable via the internet or through an edge gateway to facilitate business operations.

Weaver E Cology

10.0.2310.01

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This advisory concerns a critical vulnerability in the weaver e-cology platform that could allow a remote attacker to execute arbitrary code. The issue lies within the FrameworkShellController component and requires no authentication to exploit. While the specific impact depends on how the platform is integrated into business operations, vulnerabilities of this nature can potentially disrupt services or compromise system integrity at a high level.

Unauthenticated code execution in collaboration software.
Enterprise collaboration tools are high-value targets.
Confirm if this platform is in use and assess risk.

Attack Path

How an attacker could exploit the issue

An attacker can reach the vulnerable component by sending a specially crafted script to the application over the network. This script targets the FrameworkShellController, which, when processed, can lead to the execution of arbitrary code on the affected system.

No authentication required.
Via a crafted script to FrameworkShellController.
Leads to arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

A remote attacker could execute arbitrary code by sending a crafted script to the FrameworkShellController component. This may allow unauthorized access to system data and services.

System data and service behavior could be affected.
Malicious scripts could be submitted remotely.
Unauthorized code execution could occur.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability in Weaver e-cology's FrameworkShellController allows for remote code execution via a crafted script, impacting enterprise collaboration and office automation. Action will likely involve application owners, infrastructure teams, and security teams to identify affected instances, assess business criticality and exposure, and coordinate remediation. The first practical step is to locate all deployed Weaver e-cology instances, confirm their accessibility, and identify the accountable system owner for risk-based remediation planning.

Application owners should address this issue.
Verify system accessibility and business criticality.
Plan remediation considering maintenance windows.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is Weaver e-cology?

Weaver e-cology is an enterprise-grade collaboration and office automation platform. It functions as a web-based application designed to manage internal business processes, documentation, and employee communication, often serving as a central hub for organizational workflows and data.

How does CVE-2023-51892 affect the software?

This vulnerability is a critical flaw that allows a remote attacker to achieve arbitrary code execution. It represents a significant breakdown in security controls, as it permits an unauthorized party to run their own commands or scripts directly on the host server by targeting the FrameworkShellController component, which is responsible for processing specific application requests.

How is this vulnerability triggered?

An attacker triggers the vulnerability by sending a specially crafted script to the FrameworkShellController component over the network. Crucially, the system does not require any authentication to accept these requests. Simply browsing the site or using standard platform features without the malicious payload will not trigger the flaw.

Is my Weaver e-cology instance at risk?

If your instance is reachable via the internet or accessible through an edge gateway for remote work, it is at higher risk. According to Halo Surface Signal, this software is typically deployed as a web-based application to facilitate business operations, meaning many installations are intended to be accessible to employees from various locations, inadvertently increasing the potential surface for external network-based attacks.

What are the first steps to respond?

Begin by creating an inventory of all deployed Weaver e-cology instances within your environment. Once identified, confirm the accessibility of each instance and coordinate with the accountable system owners to evaluate the business impact. This assessment allows your security and infrastructure teams to prioritize remediation efforts based on the specific criticality of the services running on those systems.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.