{"id":"CVE-2023-38321","aliases":["DEBIAN-CVE-2023-38321","EUVD-2023-42140","GHSA-7246-m99m-q4pq"],"status":"published","title":"OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01103,"percentile":0.66204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2023-12-25T00:00:00Z","modified":"2026-10-26T18:02:30Z","fixes":[{"ecosystem":"Debian:13","package":"opennds","fixed_in":["10.2.0+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"opennds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.2.0+dfsg-1","10.3.0+dfsg-0.1","10.3.1+dfsg-1","9.10.0-1"]},{"source":"osv","ecosystem":"Debian:13","package":"opennds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.2.0+dfsg-1"}]}]}],"products":[{"vendor":"sierrawireless","product":"aleos"}],"references":[{"url":"https://openwrt.org/docs/guide-user/services/captive-portal/opennds","tags":["x_transferred","Product","web"]},{"url":"https://github.com/openNDS/openNDS/blob/master/ChangeLog","tags":["x_transferred","Release Notes","advisory"]},{"url":"https://source.sierrawireless.com/-/media/support_downloads/security-bulletins/pdf/swi-psa-2023-006-r3.ashx","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38321"},{"url":"https://github.com/advisories/GHSA-7246-m99m-q4pq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-38321","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-38321","description":"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.","status":"published","published":"2023-12-25T00:00:00Z","modified":"2024-08-02T17:39:12.629Z","updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-42140","description":"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.","status":"published","published":"2023-12-25T00:00:00Z","modified":"2024-08-02T17:39:12Z","updated_at":"2026-11-03T03:50:02.733403Z"}],"ghsa":[{"id":"GHSA-7246-m99m-q4pq","title":"OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote...","description":"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.","status":"published","published":"2023-12-25T09:30:21Z","modified":"2024-01-12T05:08:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:55:24.003446Z"}],"nvd":[{"id":"CVE-2023-38321","description":"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.","status":"published","published":"2023-12-25T09:15:07.223Z","modified":"2026-06-17T06:09:54.417Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:08:57.117371Z"}],"osv":[{"id":"CVE-2023-38321","description":"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.","status":"published","published":"2023-12-25T09:15:07.223Z","modified":"2026-03-15T22:44:42.626207Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:32.922049Z"},{"id":"DEBIAN-CVE-2023-38321","description":"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.","status":"published","published":"2023-12-25T09:15:07.223Z","modified":"2026-10-26T18:02:30.219696168Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:39.980321Z"}]}}