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Standard ManageabilityApplication · Intel

CVE-2020-8758

CRITICAL · 9.8 CVSS v3.1 Published 2020-09-10
Fix available
A fix is available. Upgrade to 11.8.79 / 11.12.79 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Improper buffer restrictions in network subsystem in provisioned Intel(R) AMT and Intel(R) ISM versions before 11.8.79, 11.12.79, 11.22.79, 12.0.68 and 14.0.39 may allow an unauthenticated user to potentially enable escalation of privilege via network access. On un-provisioned systems, an authenticated user may potentially enable escalation of privilege via local access.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Improper buffer restrictions in the network subsystem of Intel AMT and ISM allows an unauthenticated attacker on provisioned systems to escalate privileges via network access. On un-provisioned systems, an authenticated attacker can escalate privileges via local access. This is a critical buffer handling flaw in Intel's out-of-band management firmware.

MitigationUpdate Intel AMT/ISM firmware to version 11.8.79, 11.12.79, 11.22.79, 12.0.68, 14.0.39 or later. On provisioned systems, apply the update remotely via Intel Management Engine (ME) interface; on un-provisioned systems, apply via BIOS/firmware update.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Standard ManageabilityApplication
Affected:>= 11.8, < 11.8.79>= 11.12, < 11.12.79>= 11.22, < 11.22.79>= 12.0, < 12.0.68>= 14.0, < 14.0.39
Active Management Technology FirmwareOperating system
Affected:>= 11.8, < 11.8.79>= 11.12, < 11.12.79>= 11.22, < 11.22.79>= 12.0, < 12.0.68>= 14.0, < 14.0.39
Steelstore Cloud Integrated StorageApplication
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Intel AMT or ISM is present
    On Windows, open Intel Management Engine Interface (MEI) or search for 'Intel AMT' in Device Manager. On Linux, run 'lsmod | grep mei' or check /dev/mei* devices. On the system BIOS/UEFI, look for Intel AMT or Intel Standard Manageability settings under Management Engine (ME) or similar.
    Affected if Intel AMT or ISM firmware is installed on the system
  2. Retrieve the installed firmware version
    Access Intel ME/AMT via the web interface (typically https://localhost:16992 or 16993) and navigate to the firmware version information page. Alternatively, use the 'meinfo' or 'amet' command-line tool if available. For BIOS-level access, check the ME section in BIOS setup.
    Affected if The version displayed matches any of these ranges: 11.8.x before 11.8.79, 11.12.x before 11.12.79, 11.22.x before 11.22.79, 12.0.x before 12.0.68, or 14.0.x before 14.0.39
  3. Determine provisioning state of Intel AMT/ISM
    In the Intel AMT web interface, check the General Information or Provisioning Status page. Look for 'Provisioned' or 'Unprovisioned' status. From command line, use 'netsh wlan show profile' or check registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Intel\AMT for provisioning data.
    Affected if The system is in either provisioned or unprovisioned state (both states are vulnerable, though attack vectors differ)
  4. Check for NetApp Steelstore Cloud Integrated Storage
    On NetApp systems, run 'steelstore --version' or check installed packages. Search for 'steelstore' in installed software listings. Check for the presence of /opt/steelstore or /usr/local/steelstore directories if present.
    Affected if NetApp Steelstore Cloud Integrated Storage is installed on any version

If Intel AMT or ISM firmware version falls within any of the affected ranges (11.8.x before 11.8.79, 11.12.x before 11.12.79, 11.22.x before 11.22.79, 12.0.x before 12.0.68, or 14.0.x before 14.0.39), or if NetApp Steelstore Cloud Integrated Storage is installed at any version, the environment is affected by CVE-2020-8758.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 11.8.79 / 11.12.79 / 11.22.79 or later
Fixed in 11.8.7911.12.7911.22.79
Interim mitigation

Update Intel AMT/ISM firmware to version 11.8.79, 11.12.79, 11.22.79, 12.0.68, 14.0.39 or later. On provisioned systems, apply the update remotely via Intel Management Engine (ME) interface; on un-provisioned systems, apply via BIOS/firmware update.

Recommended fix High confidence

Upgrade to Intel AMT/ISM firmware version 11.8.79, 11.12.79, 11.22.79, 12.0.68, or 14.0.39 (whichever corresponds to your version branch)

  1. 1. Identify the current Intel AMT/ISM firmware version by accessing the Intel Management Engine (ME) Info or AMT configuration utility
  2. 2. Determine the applicable version branch (11.8.x, 11.12.x, 11.22.x, 12.0.x, or 14.x) from the currently installed version
  3. 3. Download the Intel Management Engine (ME) Firmware update package from https://www.intel.com/content/www/us/en/download/ or the system OEM vendor site
  4. 4. Extract the firmware update utility and required binaries for your specific platform
  5. 5. Apply the firmware update using the Intel Firmware Update Utility (FWU) or OEM-specific update tool, following the vendor's instructions
  6. 6. Verify the firmware version has been updated to one of the fixed versions: 11.8.79, 11.12.79, 11.22.79, 12.0.68, or 14.0.39
  7. 7. For Steelstore Cloud Integrated Storage, contact NetApp support for firmware update availability since all versions are affected
Caveat Firmware updates may require system downtime; ensure proper backup and controlled maintenance window; some older platforms may not support all fixed versions

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Standard Manageability Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing3.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,050
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

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