How severe is CVE-2020-0595?

CVE-2020-0595 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0595 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0595?

CVE-2020-0595 primarily affects Intel Active Management Technology 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-2020-0595?

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

When was CVE-2020-0595 published?

CVE-2020-0595 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-0595

CVE-2020-0595 is a critical-severity vulnerability in Intel Active Management Technology Firmware with a CVSS 3.x base score of 9.8. 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-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Intel Active Management Technology Firmware
Published: 2020-06-15
Last modified: 2026-06-17

Description

Use after free in IPv6 subsystem in Intel(R) AMT and Intel(R) ISM versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable escalation of privilege via network access.

Frequently asked questions

What is CVE-2020-0595?: Use after free in IPv6 subsystem in Intel(R) AMT and Intel(R) ISM versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable escalation of privilege via network access.
How severe is CVE-2020-0595?: CVE-2020-0595 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0595 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0595?: CVE-2020-0595 primarily affects Intel Active Management Technology 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-2020-0595?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-0595 published?: CVE-2020-0595 was published on 2020-06-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:intel:service_manager:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Active Management Technology Firmware

CVE-2022-30601 — Critical (CVSS 9.8): Insufficiently protected credentials for Intel(R) AMT and Intel(R) Standard Manageability may allow an unauthenticated…
CVE-2020-8752 — Critical (CVSS 9.8): Out-of-bounds write in IPv6 subsystem for Intel(R) AMT, Intel(R) ISM versions before 11.8.80, 11.12.80, 11.22.80,…
CVE-2020-8758 — Critical (CVSS 9.8): Improper buffer restrictions in network subsystem in provisioned Intel(R) AMT and Intel(R) ISM versions before 11.8.79,…
CVE-2020-0594 — Critical (CVSS 9.8): Out-of-bounds read in IPv6 subsystem in Intel(R) AMT and Intel(R) ISM versions before 11.8.77, 11.12.77, 11.22.77 and…
CVE-2019-11131 — Critical (CVSS 9.8): Logic issue in subsystem in Intel(R) AMT before versions 11.8.70, 11.11.70, 11.22.70 and 12.0.45 may allow an…
CVE-2019-11107 — Critical (CVSS 9.8): Insufficient input validation in the subsystem for Intel(R) AMT before version 12.0.45 may allow an unauthenticated…

All CVEs affecting Intel Active Management Technology Firmware →

Other CWE-416 (Use After Free) vulnerabilities

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CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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