CVE-2023-40465

HIGHNVD 8.38.3—

8.3

Several versions of ALEOS, including ALEOS 4.16.0, include an opensource

third-party component which can be exploited from the local

area network, resulting in a Denial of Service condition for the captive portal.

CVSS v3: 8.3
EG Score: 8.3(medium)
EPSS: 0.0%
KEV: Not listed

Published

December 4, 2023

Last Modified

November 21, 2024

References (2)

security@sierrawirelesshttps://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs
af854a3a-2127-422b-91ae-364da2661108https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 14× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-24 12:50 UTCEG score recompute
2026-05-24 12:50 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-40465?

CVE-2023-40465 is a high vulnerability published on December 4, 2023. Several versions of ALEOS, including ALEOS 4.16.0, include an opensource third-party component which can be exploited from the local area network, resulting in a Denial of Service condition for the captive portal.

When was CVE-2023-40465 disclosed?

CVE-2023-40465 was first published in the National Vulnerability Database on December 4, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40465 actively exploited?

CVE-2023-40465 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40465?

CVE-2023-40465 has a CVSS v3 base score of 8.3 (NVD).

How do I remediate CVE-2023-40465?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40465, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-40465

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CVE-2023-40465

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(3)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-40465?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)