Polyeco500 FirmwareOperating system · Sielco

CVE-2023-46661

CRITICAL · 9.8 CVSS v3.1 Published 2023-10-26
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
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
Sielco PolyEco1000 is vulnerable to an attacker escalating their privileges by modifying passwords in POST requests.

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

The Sielco PolyEco1000 contains a privilege escalation vulnerability where authenticated users can modify passwords via crafted POST requests without proper authorization validation, allowing attackers to elevate their privileges to administrative levels.

MitigationApply vendor patches if available; otherwise implement strict network segmentation and enforce role-based access controls to limit exposure to the web interface.

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
Polyeco500 FirmwareOperating system
Affected:= 1.7.0= 10.16
Polyeco300 FirmwareOperating system
Affected:= 2.0.0= 2.0.2= 10.19
Polyeco1000 FirmwareOperating system
Affected:= 1.9.3= 1.9.4= 2.0.6= 10.19

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 Sielco PolyEco model
    Access the device web interface or check device documentation/labels to confirm whether the device is a Polyeco500, Polyeco300, or Polyeco1000 model.
    Affected if The device is not one of these three models.
  2. Check the installed firmware version
    Log into the device web interface and navigate to the firmware/version information page, or use the device's CLI or management console to retrieve the firmware version string.
    Affected if The firmware version matches one of the affected versions: 1.7.0, 10.16 (Polyeco500); 2.0.0, 2.0.2, 10.19 (Polyeco300); 1.9.3, 1.9.4, 2.0.6, 10.19 (Polyeco1000).
  3. Verify the web management interface is enabled
    Check the device configuration settings or network exposure to confirm the HTTP/HTTPS web management interface is currently active and reachable.
    Affected if The web interface is enabled and accessible on the network.
  4. Confirm user authentication is configured
    Check the device user management settings to verify that local user accounts exist and authentication is required for web interface access.
    Affected if At least one user account is configured and authentication is required for web interface access.
  5. Inspect logs for password modification events
    Review device logs, system logs, or audit logs for any password change operations, particularly those initiated by non-administrator accounts.
    Affected if Logs show password modification requests from standard user accounts that were not initiated by administrators.

The environment is affected if the device is a Polyeco500, Polyeco300, or Polyeco1000 model running one of the listed firmware versions, the web interface is enabled, and user authentication is configured, allowing any authenticated user to potentially modify passwords without proper authorization.

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 vendor patches if available; otherwise implement strict network segmentation and enforce role-based access controls to limit exposure to the web interface.

Fix this in Polyeco500 Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,180
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Scan for this in your stack

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dbcve dependency scanner

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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-2023-46661 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
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