How severe is CVE-2022-37459?

CVE-2022-37459 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-37459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-37459?

CVE-2022-37459 primarily affects Amperecomputing Ampere Altra Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-37459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-37459 published?

CVE-2022-37459 was published on 2022-08-17 and last updated on 2026-06-17.

CVE-2022-37459

CVE-2022-37459 is a high-severity vulnerability in Amperecomputing Ampere Altra Firmware with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Amperecomputing Ampere Altra Firmware
Published: 2022-08-17
Last modified: 2026-06-17

Description

Ampere Altra devices before 1.08g and Ampere Altra Max devices before 2.05a allow attackers to control the predictions for return addresses and potentially hijack code flow to execute arbitrary code via a side-channel attack, aka a "Retbleed" issue.

Frequently asked questions

What is CVE-2022-37459?: Ampere Altra devices before 1.08g and Ampere Altra Max devices before 2.05a allow attackers to control the predictions for return addresses and potentially hijack code flow to execute arbitrary code via a side-channel attack, aka a "Retbleed" issue.
How severe is CVE-2022-37459?: CVE-2022-37459 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-37459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-37459?: CVE-2022-37459 primarily affects Amperecomputing Ampere Altra Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-37459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-37459 published?: CVE-2022-37459 was published on 2022-08-17 and last updated on 2026-06-17.

References

Affected products (2)

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

More vulnerabilities in Amperecomputing Ampere Altra Firmware

CVE-2022-46892 — Critical (CVSS 9.8): In Ampere AltraMax and Ampere Altra before 2.10c, improper access controls allows the OS to reinitialize a disabled…
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CVE-2021-45454 — High (CVSS 7.5): Ampere Altra before SRP 1.08b and Altra Max before SRP 2.05 allow information disclosure of power telemetry via…
CVE-2022-35888 — Medium (CVSS 6.5): Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power…
CVE-2022-25368 — Medium (CVSS 4.7): Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB)…

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