CVE-2021-33543 UDP Technology/Geutebrück camera devices: Authentication Bypass

Critical 9.8 Published 13 Sep 2021 Updated 3 Aug 2024

Unauthenticated remote attackers can access sensitive files and manipulate or disrupt UDP Technology and Geutebrück camera devices due to default authentication settings.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-33543?

CVE-2021-33543 is a critical authentication bypass vulnerability in Geutebrück E2 Series, published on 13 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2021-33543?

It affects 16 products.

Products include 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 and 10 more.

How do I fix CVE-2021-33543?

No fix has been published for CVE-2021-33543 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-33543 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-33543 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-x79q-7f37-g9qq.