What is CVE-2023-38321?

CVE-2023-38321 is a high-severity vulnerability in Sierrawireless Aleos, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-12-25.

How severe is CVE-2023-38321?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-38321 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Sierrawireless Aleos

CVE-2023-38321

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.

EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Release Notes)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-38321?: CVE-2023-38321 is a high-severity vulnerability in Sierrawireless Aleos, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-12-25.
How severe is CVE-2023-38321?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-38321 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.