How severe is CVE-2022-35888?

CVE-2022-35888 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-35888 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35888?

CVE-2022-35888 primarily affects Amperecomputing Ampere Altra Max Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-35888?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-35888 published?

CVE-2022-35888 was published on 2022-09-29 and last updated on 2026-06-17.

CVE-2022-35888

CVE-2022-35888 is a medium-severity vulnerability in Amperecomputing Ampere Altra Max Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Amperecomputing Ampere Altra Max Firmware
Published: 2022-09-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-35888?: 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.
How severe is CVE-2022-35888?: CVE-2022-35888 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-35888 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35888?: CVE-2022-35888 primarily affects Amperecomputing Ampere Altra Max Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-35888?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-35888 published?: CVE-2022-35888 was published on 2022-09-29 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:amperecomputing:ampere_altra_max_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampere_altra_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_firmware:*:*:*:*:*:*:*:*

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