CVE-2023-0896

Full device control via unchanged hard-coded credentials

Published May 1, 2023 · Updated Jan 30, 2025

Hard-coded credentials in Lenovo Smart Clock Essential with Alexa Built-in before 90 allow remote attackers to gain full device control. Provisioning leaves the root password unchanged, enabling login to the device's SSH or telnet service with factory credentials. The attacker must reach the clock on the local network; successful access grants root-level control over device data and operation.

CVSS severity8.8
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded credentials in Lenovo Smart Clock Essential with Alexa Built-in before 90 allow remote attackers to gain full device control. Provisioning leaves the root password unchanged, enabling login to the device's SSH or telnet service with factory credentials. The attacker must reach the clock on the local network; successful access grants root-level control over device data and operation.

The record

CVE
CVE-2023-0896
Published
May 1, 2023
Updated
Jan 30, 2025
Vendor
Lenovo
Product
Lenovo Smart Clock Essential with Alexa Built-in
Classifications
CWE-20, CWE-798, T1078.001
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Versions prior to v90

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Lenovo · Lenovo Smart Clock Essential with Alexa Built-inversion=Versions prior to v90

Published CVSS scores

8.8LenovoCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8Cisco TalosCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-798Use of Hard-coded Credentials
T1078.001Valid Accounts: Default Accounts

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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