SanosApplication · Qsan

CVE-2021-32529

CRITICAL · 9.8 CVSS v3.1 Published 2021-07-07
Fix available
A fix is available. Upgrade to 1.2.0 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
Command injection vulnerability in QSAN XEVO, SANOS allows remote unauthenticated attackers to execute arbitrary commands. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

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 · moderate confidence

Command injection vulnerability in QSAN XEVO and SANOS allows remote unauthenticated attackers to execute arbitrary commands on the affected storage system. The vulnerability stems from insufficient input validation in the web interface or API, enabling attackers to inject OS-level commands through vulnerable parameters.

MitigationApply vendor-provided patches immediately. If patches are unavailable, restrict network access to the management interface using firewall rules or disable external access until a fix is available. Consider implementing network segmentation for storage management interfaces.

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
SanosApplication
Affected:<= 2.0.0
XevoApplication
Affected:< 1.2.0

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. Identify the installed QSAN product
    Access the storage system management interface or check system documentation to determine whether the system is running QSAN Sanos or QSAN Xevo
    Affected if The product is QSAN Sanos version 2.0.0 or lower, or QSAN Xevo version prior to 1.2.0
  2. Verify the product version
    Check the installed version through the web interface (typically in System > Information or About section), CLI, or system diagnostics
    Affected if The version falls within the affected ranges: Sanos <= 2.0.0 or Xevo < 1.2.0
  3. Confirm web interface or API accessibility
    Determine if the QSAN management web interface or API ports (typically HTTP/HTTPS on port 80/443 or custom management ports) are reachable from network locations
    Affected if The management interface is exposed to untrusted networks without firewall restrictions
  4. Check for command injection indicators
    Review web server logs and audit logs for unusual or unexpected commands, especially those containing shell metacharacters (such as ;, |, &, $ , backticks) in URL parameters or API requests
    Affected if Suspicious command patterns appear in logs originating from unauthenticated sources
  5. Verify authentication configuration
    Check whether the web interface permits unauthenticated access to parameters that could accept OS commands
    Affected if The system allows unauthenticated access to management functions without requiring valid credentials

The environment is affected if the installed QSAN product is Sanos version 2.0.0 or lower, or Xevo version prior to 1.2.0, and the management interface is accessible to remote attackers.

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
Upgrade available Upgrade to 1.2.0 or later
Fixed in 1.2.0
Interim mitigation

Apply vendor-provided patches immediately. If patches are unavailable, restrict network access to the management interface using firewall rules or disable external access until a fix is available. Consider implementing network segmentation for storage management interfaces.

Fix this in Sanos Scoped from the published advisory
  • Consultation6.0 h
  • Implementation4.0 h
  • Testing12.0 h
  • Review / QA4.0 h
26.0 hours of engineering $4,440
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,104.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2021-32529 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

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-2021-32529 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