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Fencer Vulns
high 8.1

CVE-2023-40464 json

Use of hardcoded certificate and private key

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45035

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

Several versions of ALEOS, including ALEOS 4.16.0, use a hardcoded

SSL certificate and private key. An attacker with access to these items

could potentially perform a man in the middle attack between the

ACEManager client and ACEManager server.

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

0.30% chance of exploitation in the next 30 days, higher than 22% 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:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

  • SierraWireless ALEOS

Classification

Weakness
  • CWE-321 Use of Hard-coded Cryptographic Key
  • 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.