How severe is CVE-2023-40464?

CVE-2023-40464 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-40464 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40464?

CVE-2023-40464 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40464?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-40464 published?

CVE-2023-40464 was published on 2023-12-04 and last updated on 2026-06-17.

CVE-2023-40464

CVE-2023-40464 is a high-severity vulnerability in Sierrawireless Aleos with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Sierrawireless Aleos
Published: 2023-12-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-40464?: 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.
How severe is CVE-2023-40464?: CVE-2023-40464 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-40464 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40464?: CVE-2023-40464 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40464?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-40464 published?: CVE-2023-40464 was published on 2023-12-04 and last updated on 2026-06-17.

References

https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs

Affected products (1)

cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

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