CVE-2021-33550: Geutebrück and UDP Technology IP cameras command injection

Automated analysis

Generated by VULONE's analysis model from the NVD record, CISA KEV and EPSS data on 19 September 2026. Confidence: medium.

high priorityNetwork-reachable command injection with full confidentiality, integrity and availability impact, a public exploit reference, and very high EPSS, though exploitation requires prior privileged access.

What it is

Multiple Geutebrück G-Cam and G-Code camera devices (and other UDP Technology-based cameras) are vulnerable to OS command injection, allowing remote arbitrary code execution. The flaw affects a broad set of firmware models, and the record does not specify the exact vulnerable versions or the injection point. Because these are network-facing camera devices, successful exploitation gives an attacker a foothold on the device itself.

Impact

An attacker who can reach the vulnerable interface can execute arbitrary OS commands on the camera, gaining full control of the device with the privileges of the affected service. This can be used to pivot into the camera network or to tamper with video and device configuration.

Attack surface

The CVSS vector is network-reachable (AV:N) with no user interaction (UI:N), but requires high privileges (PR:H), meaning the attacker must already hold an administrative or similarly privileged account on the device. No authentication bypass is implied by the record.

Exploitation

CISA KEV does not list this CVE, but EPSS is very high (0.5705, 99th percentile) and a public exploit reference is tagged, indicating meaningful real-world exploitation activity.

What to do

• Apply the vendor firmware updates referenced in CISA ICS advisory ICSA-21-208-03 as the first action.
• Restrict network access to camera management interfaces to trusted management VLANs or jump hosts.
• Change default and weak administrative credentials and enforce unique strong passwords on all camera devices.
• Disable unused services and remote management features on the cameras where possible.
• Monitor vendor advisories for updated firmware for each affected G-Cam and G-Code model.

Detection

• Monitor camera device logs and network traffic for unexpected outbound connections or shell-like command strings in HTTP requests.
• Alert on unusual processes or command execution on camera hosts if host telemetry is available.
• Watch for authentication events using privileged accounts from unexpected source IPs against camera management interfaces.
• Use network IDS signatures for known UDP Technology camera exploit patterns where available.

This assessment is produced automatically and is not human-reviewed. Verify against the vendor advisory before acting on it.