CVE-2020-0597Network attack vector

Service interruption via IPv6 out-of-bounds read

Published Jun 15, 2020 · Updated Aug 4, 2024

Out-of-bounds read in the Intel AMT and ISM IPv6 subsystem before 14.0.33 allows remote attackers to interrupt service. The firmware's IPv6 processing reads beyond the intended buffer while handling network input; Intel does not identify the affected routine or field. No authentication or user interaction is required, and successful exploitation interrupts AMT or ISM operation over the network.

CVSS severity6.5
Medium
EPSS probability2.95%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in the Intel AMT and ISM IPv6 subsystem before 14.0.33 allows remote attackers to interrupt service. The firmware's IPv6 processing reads beyond the intended buffer while handling network input; Intel does not identify the affected routine or field. No authentication or user interaction is required, and successful exploitation interrupts AMT or ISM operation over the network.

The record

CVE
CVE-2020-0597
Published
Jun 15, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-125, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5IntelCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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