Alta Video —1608: Firmware signature is not verified by the upgrade_sw command (via cssh)

Release Date

17th of July 2025.

Overview

A vulnerability allowing unauthorized firmware modification was discovered in the camera's custom SSH shell (cssh). There was a lack of firmware signature verification during when the upgrade_sw command was executed, enabling attackers with SSH access to upload and install malicious firmware. The issue was resolved by removing the affected command from production cameras.

Affected Products

  • Avigilon Cloud-Native Cameras:
    • All Stable upgrade Channel versions before 7.4.10.
    • All Beta upgrade channel versions before 7.4.0.

Unaffected Products

  • Alta Video: all versions.

  • Avigilon Cloud-Native Cameras:

    • All Stable upgrade channel versions after and including 7.4.10.
    • All Beta upgrade channel versions after and including 7.4.0.

  • Alta Video Cloud: all versions.

Resolution

This issue has been fixed in Avigilon Cloud-Native Cameras Beta upgrade channel version 7.4.0 and Stable upgrade channel version 7.4.10.

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

Mitigations

There are no known mitigations for this issue.

Work arounds

There are no known work arounds for this issue.

Acknowledgements

Issue found internally by Alta Video.

Disclosure Timeline

  • 02/08/2024 Issue found
  • 05/12/2024 Root cause established
  • 05/12/2024 Fix identified
  • 10/02/2025 Patched Avigilon Cloud-Native Cameras (Beta upgrade channel) released
  • 15/04/2025 Patched Avigilon Cloud-Native Cameras (Stable upgrade channel) released
  • 17/07/2025 Vulnerability publicly disclosed