CVE-2023-40465
Improper input leads to DoS
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper input leads to DoS
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.
- Record
CVE-2023-40465- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-121, CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2023-45036
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.
- Record
EUVD-2023-45036- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2vrx-x739-p6p6
Several versions of ALEOS, including ALEOS 4.16.0, include an opensource third-party...
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.
- Record
GHSA-2vrx-x739-p6p6- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-40465- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121, CWE-122, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40465 is a high vulnerability (CVSS 8.3) in Sierrawireless Aleos, published December 4, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.