What’s Vulnerable › Vulnerabilities

CVE-2021-45454

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-17 · updated 2026-06-17

Description

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

How to fix

Upgrade to a fixed version: Amperecomputing Ampere Altra Firmware 1.08b; Amperecomputing Ampere Altra Max Firmware 2.05. Check the vendor advisory for mitigations.

References

• https://amperecomputing.com/product-security/
• https://amperecomputing.com/products/security-bulletins/platypus.html
• https://amperecomputing.com/product-security/
• https://amperecomputing.com/products/security-bulletins/platypus.html

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