{"id":"UBUNTU-CVE-2023-38321","details":"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query string parameter and client-token.","modified":"2026-02-04T03:05:32.521364Z","published":"2023-12-25T09:15:00Z","withdrawn":"2025-06-23T15:56:53Z","related":["CVE-2023-38321"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38321"},{"type":"REPORT","url":"https://source.sierrawireless.com/-/media/support_downloads/security-bulletins/pdf/swi-psa-2023-006-r3.ashx"},{"type":"REPORT","url":"https://openwrt.org/docs/guide-user/services/captive-portal/opennds"},{"type":"REPORT","url":"https://github.com/openNDS/openNDS/blob/master/ChangeLog"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-38321"}],"affected":[{"package":{"name":"opennds","ecosystem":"Ubuntu:24.10","purl":"pkg:deb/ubuntu/opennds@10.2.0+dfsg-1build2?arch=source&distro=oracular"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.2.0+dfsg-1build2"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38321.json"}},{"package":{"name":"opennds","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/opennds@10.2.0+dfsg-1build2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.10.0-1","10.2.0+dfsg-1","10.2.0+dfsg-1build1","10.2.0+dfsg-1build2"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38321.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}