What is the severity of CVE-2023-38321?

CVE-2023-38321 has a high severity as it allows remote attackers to crash the daemon and cause Captive Portal outages.

How do I fix CVE-2023-38321?

To fix CVE-2023-38321, upgrade your Sierra Wireless ALEOS to version 4.17.0.12 or later.

What types of attacks does CVE-2023-38321 allow?

CVE-2023-38321 enables denial of service attacks through a NULL pointer dereference caused by a specific GET request.

Which versions of ALEOS are affected by CVE-2023-38321?

CVE-2023-38321 affects all versions of Sierra Wireless ALEOS prior to 4.17.0.12.

What devices utilize OpenNDS and are affected by CVE-2023-38321?

Sierra Wireless devices utilizing OpenNDS such as ALEOS versions below 4.17.0.12 are affected by CVE-2023-38321.

Vulnerability/
CVE-2023-38321

high

7.5

CWE

476

25/12/2023

3/1/2024

CVE-2023-38321: Null Pointer Dereference

First published: Mon Dec 25 2023(Updated: )

OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ that lacks a custom query string parameter and client-token.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
All of
Sierra Wireless ALEOS	<4.17.0.12
Any of
Sierra Wireless AirLink LX40
Sierra Wireless AirLink LX60
Sierra Wireless AirLink MP70
Sierra Wireless AirLink RV50X
Sierra Wireless AirLink RV55

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-38321?
CVE-2023-38321 has a high severity as it allows remote attackers to crash the daemon and cause Captive Portal outages.
How do I fix CVE-2023-38321?
To fix CVE-2023-38321, upgrade your Sierra Wireless ALEOS to version 4.17.0.12 or later.
What types of attacks does CVE-2023-38321 allow?
CVE-2023-38321 enables denial of service attacks through a NULL pointer dereference caused by a specific GET request.
Which versions of ALEOS are affected by CVE-2023-38321?
CVE-2023-38321 affects all versions of Sierra Wireless ALEOS prior to 4.17.0.12.
What devices utilize OpenNDS and are affected by CVE-2023-38321?
Sierra Wireless devices utilizing OpenNDS such as ALEOS versions below 4.17.0.12 are affected by CVE-2023-38321.

collector/mitre-cve
agent/type
agent/event
agent/first-publish-date
agent/last-modified-date
agent/severity
agent/weakness
agent/author
agent/references
agent/source
agent/description
agent/softwarecombine
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/sierrawireless
canonical/sierra wireless aleos
canonical/sierra wireless airlink lx40
canonical/sierra wireless airlink lx60
canonical/sierra wireless airlink mp70
canonical/sierra wireless airlink rv50x
canonical/sierra wireless airlink rv55

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