6.5

CVE-2022-35888: amperecomputing ampere_altra_firmware Observable Discrepancy

CVSS: 6.5v3.1MediumModified
Published 29-09-2022Last modified 20-05-2025
Open JSON

Vulnerability summary

CVE-2022-35888 is a medium (CVSS 6.5) Observable Discrepancy vulnerability in amperecomputing ampere_altra_firmware. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-09-2022
    PublishedVulnerability first disclosed.
  2. 20-05-2025
    Last modifiedVulnerability information updated.

Description

Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power side-channel attack that extracts secret information from the CPU by correlating the power consumption with data being processed on the system.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.07 pp

From 0.64% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Amperecomputing3 products

1 vendor · 3 products

References

2 links