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Fencer Vulns
high 8.1

CVE-2023-40463 json

Use of Hard-Coded Credentials

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45034

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-341-06 updated cvss 8.1

Sierra Wireless AirLink with ALEOS firmware

  • Sierra Wireless AirLink ALEOS firmware <4.9.9, <4.17.0
    affected: vendor fix, mitigation “Sierra Wireless has released the following software fixes and recommends users update their devices:” source.sierrawireless.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • SierraWireless ALEOS

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.