CVE-2021-33543
UDP Technology/Geutebrück camera devices: Authentication Bypass
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
UDP Technology/Geutebrück camera devices: Authentication Bypass
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.
- Record
CVE-2021-33543- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2021-20235
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.
- Record
EUVD-2021-20235- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x79q-7f37-g9qq
Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated...
Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated remote access to sensitive files due to default user authentication settings.
- Record
GHSA-x79q-7f37-g9qq- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-33543- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
- geutebrueck g-cam ebc-2110 firmware
- geutebrueck g-cam ebc-2111 firmware
- geutebrueck g-cam ebc-2112 firmware
- geutebrueck g-cam efd-2241 firmware
- geutebrueck g-cam efd-2250 firmware
- geutebrueck g-cam efd-2251 firmware
- geutebrueck g-cam ethc-2230 firmware
- geutebrueck g-cam ethc-2239 firmware
- geutebrueck g-cam ethc-2240 firmware
- geutebrueck g-cam ethc-2249 firmware
- geutebrueck g-cam ewpc-2270 firmware
- geutebrueck g-cam ewpc-2271 firmware
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Geutebruck Multiple Remote Command Execution | 2021-07-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33543 is a critical vulnerability (CVSS 9.8) in Geutebrueck G-cam Ebc-2110 Firmware, published September 13, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 81.3%, the 99th percentile. No source names a fixed version.