What is CVE-2023-40465?

CVE-2023-40465 is a high-severity vulnerability in Sierrawireless Aleos, classified under Stack-based Buffer Overflow. CVSS score: 8.3/10. Published 2023-12-04.

How severe is CVE-2023-40465?

High severity. CVSS v3 base score is 8.3 out of 10.

Buffer overflow in Sierrawireless Aleos

CVE-2023-40465

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Sierrawireless Aleos — versions 4.10, 0
Sierrawireless Es450
Sierrawireless Gx450
Sierrawireless Lx40
Sierrawireless Lx60
Sierrawireless Mp70
Sierrawireless Rv50x
Sierrawireless Rv55

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow
CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

security@sierrawireless.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-40465?: CVE-2023-40465 is a high-severity vulnerability in Sierrawireless Aleos, classified under Stack-based Buffer Overflow. CVSS score: 8.3/10. Published 2023-12-04.
How severe is CVE-2023-40465?: High severity. CVSS v3 base score is 8.3 out of 10.