CVE-2021-40350 : What You Need to Know
Discover the impact of CVE-2021-40350, a vulnerability allowing unauthorized actions on Christie Digital DWU850-GS V06.46 devices. Learn the mitigation steps and how to prevent exploitation.
This CVE-2021-40350 article provides details about a vulnerability in webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices, allowing attackers to perform unauthorized actions.
Understanding CVE-2021-40350
This section delves deeper into the implications and technical aspects of CVE-2021-40350.
What is CVE-2021-40350?
The vulnerability in webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices permits attackers to execute any desired action by manipulating a specially crafted query with an unspecified Cookie header. An attacker could bypass authentication by injecting an administrative cookie that the device doesn't validate.
The Impact of CVE-2021-40350
The vulnerability could lead to severe consequences, including unauthorized access and control over affected devices, potentially compromising the confidentiality and integrity of data.
Technical Details of CVE-2021-40350
Explore the technicalities of the CVE-2021-40350 vulnerability.
Vulnerability Description
- Identified in webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices
- Allows attackers to perform unauthorized actions via a crafted query
- Authentication bypass achievable by injecting an unverified administrative cookie
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: n/a (affected)
Exploitation Mechanism
The vulnerability can be exploited by sending a manipulated query with a specific Cookie header, enabling attackers to execute any desired operation and potentially bypass authentication.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-40350.
Immediate Steps to Take
- Disable the affected webctrl.cgi.elf functionality if possible
- Implement proper input validation and output encoding to prevent malicious injections
- Monitor network traffic for suspicious activity
Long-Term Security Practices
- Regularly update devices and applications to patch vulnerabilities
- Conduct security audits and assessments to identify weaknesses
- Educate users on safe browsing habits and cybersecurity best practices
Patching and Updates
- Stay informed about security advisories and updates released by Christie Digital
- Apply recommended patches promptly to secure the affected devices