CVE-2021-33548 : Security Advisory and Response
Learn about CVE-2021-33548 affecting Geutebrück E2 Series and Encoder G-Code, allowing command injection and potential remote code execution. Mitigation and patch details included.
Understanding CVE-2021-33548
Multiple camera devices by UDP Technology, Geutebrück, and other vendors are vulnerable to command injection, potentially allowing remote code execution.
What is CVE-2021-33548?
CVE-2021-33548 is a vulnerability that exists in multiple camera devices that can be exploited through command injection. This flaw could be abused by an attacker to remotely execute arbitrary code on the affected devices.
The Impact of CVE-2021-33548
The impact of this vulnerability is significant as it allows threat actors to gain unauthorized access to the camera devices and potentially launch further attacks on the affected systems and networks.
Technical Details of CVE-2021-33548
Vulnerability Description
The vulnerability in UDP Technology/Geutebrück camera devices arises from improper handling of input, leading to command injection and subsequent remote code execution.
Affected Systems and Versions
- Vendor: Geutebrück
Product:
E2 Series
- Versions: EBC-21xx 1.12.13.2, EBC-21xx 1.12.14.5, EFD-22xx 1.12.13.2, EFD-22xx 1.12.14.5, ETHC-22xx 1.12.13.2, ETHC-22xx 1.12.14.5, EWPC-22xx 1.12.13.2, EWPC-22xx 1.12.14.5, EBC-21xx (<=1.12.0.27), EFD-22xx (<=1.12.0.27), ETHC-22xx (<=1.12.0.27), EWPC-22xx (<=1.12.0.27)
Product: Encoder G-Code
Versions: EEC-2xx 1.12.13.2, EEC-2xx 1.12.14.5, EEN-20xx 1.12.13.2, EEN-20xx 1.12.14.5, EEC-2xx (<=1.12.0.27), EEN-20xx (<=1.12.0.27)
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted commands to the affected devices, tricking them into executing malicious code remotely.
Mitigation and Prevention
Immediate Steps to Take
Users of the affected camera devices should apply security patches provided by the vendor immediately upon release to prevent potential exploitation.
Long-Term Security Practices
Regular security assessments, network segmentation, and access control measures should be implemented to reduce the attack surface and mitigate similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from the vendor and ensure timely installation of patches and updates to keep the camera devices secure.