Sandisk X600 Sd9tb8w 128g FirmwareOperating system · Westerndigital

CVE-2019-10706

MEDIUM · 6.3 CVSS v3.1 Published 2020-03-10
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
65/100
Remediation priority · Elevated
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
Western Digital SanDisk SanDisk X300, X300s, X400, and X600 devices: The firmware update authentication method relies on a symmetric HMAC digest. The key used to validate this digest is present in a protected area of the device, and if extracted could be used to install arbitrary firmware to other devices.

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

The firmware update mechanism in affected SanDisk X300, X300s, X400, and X600 devices relies on symmetric HMAC authentication. The HMAC signing key is stored in a protected area of the device; if an attacker extracts this key, they could sign malicious firmware that would be accepted as legitimate by other devices, enabling arbitrary firmware installation.

MitigationApply any vendor-supplied firmware updates when available; until then, enforce strict physical security controls to prevent key extraction and implement network segmentation to limit exposure of affected devices.

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
Sandisk X600 Sd9tb8w 128g FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tb8w 256g FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tb8w 512g FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tb8w 1t00 FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tb8w 2t00 FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tn8w 128g FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tn8w 256g FirmwareOperating system
Affected:< x6112100
Sandisk X600 Sd9tn8w 512g FirmwareOperating system
Affected:< x6112100

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
Local
Complexity
High
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/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. Identify the installed storage device model
    Use system utilities such as 'lspci', 'lsblk', 'smartctl --scan', or check the device inventory to list connected storage devices and their model numbers
    Affected if The device model matches SanDisk X600 with model identifiers Sd9tb8w or Sd9tn8w
  2. Check the firmware version of the X600 device
    Use smartctl -a /dev/sdX (replace X with the device letter) or vendor-specific diagnostic tools to query the firmware version attribute
    Affected if The reported firmware version is numerically less than x6112100 (for example, x6010300, x6000300, etc.)
  3. Verify if the device has had firmware updates applied
    Compare the current installed firmware version against the vendor's release notes or support site for the X600 product line
    Affected if No firmware update to version x6112100 or later has been applied to the device
  4. Determine physical access exposure to the device
    Review physical security controls around servers or systems containing the X600 SSD; check if the device is in a secured datacenter, locked chassis, or restricted access area
    Affected if The device lacks physical security controls that would prevent an attacker from extracting the HMAC signing key from the protected storage area

You are affected if you have a SanDisk X600 (Sd9tb8w or Sd9tn8w model) with firmware version below x6112100 and the device is accessible to potential attackers who could extract the HMAC signing key.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply any vendor-supplied firmware updates when available; until then, enforce strict physical security controls to prevent key extraction and implement network segmentation to limit exposure of affected devices.

Fix this in Sandisk X600 Sd9tb8w 128g Firmware Scoped from the published advisory
  • Consultation6.0 h
  • Testing4.0 h
  • Review / QA3.0 h
13.0 hours of engineering $2,340
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Scan for this in your stack

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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

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-10706 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data