CVE-2021-45454: Amperecomputing Ampere Altra Firmware

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Ampere Altra before SRP 1.08b and Altra Max​ before SRP 2.05 allow information disclosure of power telemetry via HWmon.

Affected products

• Amperecomputing Ampere Altra Firmware: before 1.08b (fixed in 1.08b)
• Amperecomputing Ampere Altra Max Firmware: before 2.05 (fixed in 2.05)

Published 2022-08-17. Last modified 2026-06-17.