Alta Video — 1609: Unprotected serial interface allowed execution of bootloader commands

Release Date

14th of August 2025.

Overview

The bootloader shell was accessible via the serial interface, allowing an attacker with physical access to interrupt the boot process and execute commands, thus with potential to read and write of device memory, including firmware extraction.

Affected Products

• Avigilon Cloud-Native Cameras:
  • All Stable upgrade Channel versions before 7.3.5.
  • All Beta upgrade channel versions before 7.3.0.

Unaffected Products

• Alta Video: all versions.

• Avigilon Cloud-Native Cameras:

  • All Stable upgrade channel versions after and including 7.3.5.
  • All Beta upgrade channel versions after and including 7.3.0.

• Alta Video Cloud: all versions.

Resolution

This issue has been fixed in Avigilon Cloud-Native Cameras Beta upgrade channel version 7.3.0 and Stable upgrade channel version 7.3.5.

It is highly recommended that all Avigilon Cloud-Native camera installations running an affected version upgrade to the latest release as soon as possible. Releases are available to download through the Alta Video User Interface for Avigilon Cloud-Native cameras and the Avigilon Cloud-Native Camera Interface for unmanaged cameras.

Vulnerability Information

• CVSSv3 score: 7.6 (High)
• CVSSv3 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Mitigations

There are no known mitigations for this issue.

Work arounds

There are no known work arounds for this issue.

Acknowledgements

Issue reported by external pentest.

Disclosure Timeline

• 02/08/2024 Issue found
• 05/09/2024 Fix identified
• 04/12/2024 Patched Avigilon Cloud-Native Cameras (Beta upgrade channel) released
• 20/01/2025 Patched Avigilon Cloud-Native Cameras (Stable upgrade channel) released
• 14/08/2025 Vulnerability publicly disclosed