Netman 204 FirmwareOperating system · Riello Ups

CVE-2024-8878

CRITICAL · 9.8 CVSS v3.1 Published 2024-09-25
Fix available
A fix is available. Upgrade to after 4.05 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
The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.

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 Netman 204 password recovery mechanism contains a critical authentication bypass that allows unauthenticated attackers to reset the administrator password. By manipulating the forgotten password flow, an attacker can gain full administrative access to the device, enabling complete compromise of the UPS management device.

MitigationUpgrade to a patched version of Netman 204 (beyond 4.05) from the vendor. If patching is not immediately possible, restrict network access to the device's management interface using firewall rules or network segmentation.

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
Netman 204 FirmwareOperating system
Affected:<= 4.05

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 Netman 204 firmware version
    Access the device web interface or check via SNMP/CLI documentation to retrieve the current firmware version. Look for a version or build number in the device status or system information page.
    Affected if The firmware version displayed is 4.05 or any version lower than 4.05.
  2. Locate the password recovery endpoint
    Review the device configuration or capture network traffic during a forgotten password request to identify the endpoint URL or API path used for password recovery.
    Affected if The device exposes a password recovery or forgotten password functionality that can be accessed without prior authentication.
  3. Verify password recovery does not require valid credentials
    Attempt to access the password recovery flow without providing any valid credentials. Observe whether the system allows progression through the reset steps without verifying the requester.
    Affected if The password recovery process can be initiated or completed without first authenticating to the device.
  4. Determine network exposure of management interface
    Check firewall rules, access control lists, or network segmentation configurations to see if the Netman 204 web management port (typically HTTP/HTTPS) is reachable from untrusted networks.
    Affected if The management interface is accessible from networks outside the trusted administrative zone.

You are affected if your Netman 204 device runs firmware version 4.05 or lower AND the password recovery mechanism is accessible without authentication.

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 a release after 4.05
Interim mitigation

Upgrade to a patched version of Netman 204 (beyond 4.05) from the vendor. If patching is not immediately possible, restrict network access to the device's management interface using firewall rules or network segmentation.

Fix this in Netman 204 Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-8878 — 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-2024-8878 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