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VulnerabilityPublished Updated

CVE-2023-40463: SierraWireless ALEOS · Use of Hard-coded Credentials

Affects SierraWireless ALEOSSource CVE Database V5

0

Not known to be exploited · CVSS 8.1 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Dec 2023

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
SierraWireless ALEOSAffected
  • =4.10
  • =0
Fixed in–

AI-suggested

Organizations should immediately audit their Sierra Wireless ALEOS devices to determine if debugging mode is enabled and disable it if not required. Restrict administrative access to trusted personnel and enforce strong authentication mechanisms to prevent unauthorized configuration changes. Monitor device file systems and logs for unauthorized access attempts or presence of unusual files that could indicate extraction of password hashes. Network segmentation should be employed to isolate ALEOS devices from critical network segments, limiting potential lateral movement. Employ strong password policies and consider changing default or common root passwords where possible. Additionally, implement intrusion detection systems to monitor for suspicious activities targeting these devices. Regularly update device firmware when patches become available and maintain an inventory of all ALEOS devices to ensure comprehensive coverage.

Description

When configured in debugging mode by an authenticated user with administrative privileges, ALEOS 4.16 and earlier store the SHA512 hash of the common root password for that version in a directory accessible to a user with root privileges or equivalent access.

References

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