CVE-2021-33543

UDP Technology/Geutebrück camera devices: Authentication Bypass

CRITICAL
9.8
CVSS Score
Published: September 13, 2021 at 05:55 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
34 products affected across 2 vendorsG Cam /efd 2250 FirmwareG Cam Ethc 2239 FirmwareG Code Eec 2400 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 81%

Description

Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated remote access to sensitive files due to default user authentication settings. This can lead to manipulation of the device and denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ebc-2110 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ebc-2111 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ebc-2112 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-efd-2241 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-efd-2250 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-efd-2251 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ethc-2230 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ethc-2239 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ethc-2240 (same device)
v ≤ 1.12.0.271.12.13.21.12.14.5
geutebrueck-g-cam-ethc-2249 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRMThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03

CVSS

9.8CRITICALCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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