CVE-2023-28386: Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly. The device only calculates the MD5 hash of the...

8.6 CVSS

Description

Snap One OvrC Pro devices versions 7.2 and prior do not validate firmware updates correctly. The device only calculates the MD5 hash of the firmware and does not check using a private-public key mechanism. The lack of complete PKI system firmware signature could allow attackers to upload arbitrary firmware updates, resulting in code execution.

Classification

CVE ID: CVE-2023-28386

CVSS Base Severity: HIGH

CVSS Base Score: 8.6

Affected Products

Vendor: Snap One

Product: OvrC Cloud

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.39% (probability of being exploited)

EPSS Percentile: 73.19% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-136-01
https://www.control4.com/docs/product/ovrc-software/release-notes/english/latest/ovrc-software-release-notes-rev-p.pdf

Timeline