In Cassia Gateway firmware versions XC1000_2.1.1.2303082218 and XC2000_2.1.1.2303090947, the queueUrl parameter in /bypass/config is not sanitized. This vulnerability allows attackers to inject Bash code, which gets executed with root privileges during device startup.
With a CVSS score of 9.8, this vulnerability is classified as critical, indicating that it poses a significant risk to affected systems. The implications of this flaw are severe, as it could lead to unauthorized access and control over critical device functionalities.
Organizations should prioritize patching immediately. Exploitation of this vulnerability can occur through network access, and it requires no privileges or user interaction, making it highly exploitable.
Currently, there is no public exploit confirmed; however, the presence of a proof of concept on GitHub indicates that attackers may develop methods to exploit this vulnerability.
Given the high severity and potential impact, organizations should assess their exposure to this vulnerability and take immediate action to remediate their systems.
Vulnerability Details
This vulnerability allows attackers to execute arbitrary Bash commands on the affected devices. The vulnerability arises from improper input validation for the queueUrl parameter in the specified firmware versions.
The vulnerability has a CVSS version 3.1 score of 9.8, classified as critical, with the following parameters:
Attribute | Value |
|---|---|
Attack Vector | NETWORK |
Attack Complexity | LOW |
Privileges Required | NONE |
User Interaction | NONE |
Confidentiality Impact | HIGH |
Integrity Impact | HIGH |
Availability Impact | HIGH |
Risk & Impact Analysis
Risk to organizations includes unauthorized access to devices, leading to possible data breaches, service disruptions, and overall compromise of security integrity.
The attack surface is substantial, given that the vulnerability can be exploited over the network with no user interaction required. This increases the urgency for organizations to address this vulnerability in their patch cycles.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include:
Product | Version |
|---|---|
Cassia Networks XC1000 Firmware | 2.1.1.2303082218 |
Cassia Networks XC2000 Firmware | 2.1.1.2303090947 |
Mitigation & Remediation
Organizations should apply the latest firmware updates provided by Cassia Networks to remediate this vulnerability. If a patch is not yet available, consider implementing workarounds such as network segmentation and restricting access to affected devices.
More information on penetration testing can be found in our penetration testing guide.
Detection Guidance
To detect potential exploitation attempts, organizations should monitor logs for unexpected commands executed on startup and unusual network activity targeting the affected firmware.
AppSecure Threat Intelligence Insight
This vulnerability highlights the importance of input validation in embedded systems. Security teams should regularly assess their firmware for similar weaknesses to prevent future vulnerabilities.
For insights into effective vulnerability management, refer to our vulnerability management program design.
Organizations should also consider engaging in penetration testing methodology to enhance their security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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