How severe is CVE-2023-40463?

CVE-2023-40463 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40463?

CVE-2023-40463 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40463?

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-2023-40463 published?

CVE-2023-40463 was published on 2023-12-04 and last updated on 2026-06-17.

CVE-2023-40463

CVE-2023-40463 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: 1% (46th 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

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.

Frequently asked questions

What is CVE-2023-40463?: 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.
How severe is CVE-2023-40463?: CVE-2023-40463 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40463?: CVE-2023-40463 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40463?: 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-2023-40463 published?: CVE-2023-40463 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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