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CVE-2021-45454

Ampere Altra before SRP 1.08b and Altra Max? before SRP 2.05 allow information disclosure of...

7.5 High

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.76%Down 0.1 points since Aug 18, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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

Record
CVE-2021-45454
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
CVE List No score

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

Record
CVE-2021-45454
Updated
2026-11-02
EUVDEUVD-2021-32224 No score

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

Record
EUVD-2021-32224
Updated
2026-11-03
GitHub AdvisoriesGHSA-p5vp-w7x7-6pw3 7.5

Ampere Altra before SRP 1.08b and Altra Max? before SRP 2.05 allow information disclosure of...

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

Record
GHSA-p5vp-w7x7-6pw3
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-668
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-45454 is a high vulnerability (CVSS 7.5) in Amperecomputing Ampere Altra Firmware, published August 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.

References

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