E11 FirmwareOperating system · Akuvox

CVE-2023-0346

HIGH · 7.5 CVSS v3.1 Published 2023-03-13
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
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
Akuvox E11 cloud login is performed through an unencrypted HTTP connection. An attacker could gain access to the Akuvox cloud and device if the MAC address of a device if known.

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 Akuvox E11 device performs cloud login authentication over an unencrypted HTTP connection. An attacker with knowledge of a device's MAC address can intercept credentials or session tokens transmitted in cleartext, potentially gaining unauthorized access to both the Akuvox cloud platform and the physical device.

MitigationEnforce TLS/HTTPS encryption for all cloud login communications. If HTTPS is not supported natively, consider network segmentation or VPN tunneling to protect credentials in transit.

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
E11 FirmwareOperating system
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
None
Availability
None

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

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 Akuvox E11 device presence
    Identify Akuvox E11 devices on your network by checking device labels, DHCP lease tables, or network discovery scans for MAC address prefixes associated with Akuvox (vendor OUI lookup).
    Affected if The organization has any Akuvox E11 physical door intercom devices deployed on the network.
  2. Identify cloud login traffic destination
    Capture network traffic or inspect proxy/logging configurations on the network segment where the E11 device communicates. Determine if the device contacts cloud servers over HTTP (port 80) or HTTPS (port 443).
    Affected if The device is configured to communicate with Akuvox cloud services over plain HTTP rather than encrypted HTTPS.
  3. Inspect credential transmission in transit
    Use a network packet capture (tcpdump, Wireshark) on the segment monitoring the E11 device's outbound traffic during a cloud login authentication event. Look for POST requests containing username/password parameters or session tokens in cleartext.
    Affected if Login credentials or session tokens are transmitted in cleartext within HTTP traffic rather than being encrypted within HTTPS.
  4. Verify MAC address exposure
    Review captured traffic or device configuration to confirm the device MAC address is discoverable on the network (through ARP tables, DHCP logs, or device management interfaces).
    Affected if The device MAC address is exposed on the network, enabling an attacker to target this specific device for man-in-the-middle interception.

The environment is affected if Akuvox E11 devices perform cloud authentication over unencrypted HTTP, exposing credentials and session tokens in cleartext to anyone able to capture network traffic targeting that device's MAC address.

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

Enforce TLS/HTTPS encryption for all cloud login communications. If HTTPS is not supported natively, consider network segmentation or VPN tunneling to protect credentials in transit.

Fix this in E11 Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-0346 — 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-2023-0346 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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