{"id":"CVE-2021-44467","aliases":["EUVD-2021-31304","GHSA-wwhw-grq6-66rj"],"status":"published","title":"spx_restservice KillDupUsr_func Broken Access Control","description":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00812,"percentile":0.57461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2022-10-24T00:00:00Z","modified":"2026-06-17T04:12:23Z","products":[{"vendor":"lanner inc","product":"iac-ast2500a"},{"vendor":"lannerinc","product":"iac-ast2500a_firmware"}],"references":[{"url":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44467/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44467"},{"url":"https://github.com/CVEProject/cvelist/blob/master/2021/44xxx/CVE-2021-44467.json"},{"url":"https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1"},{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-44467"},{"url":"https://github.com/advisories/GHSA-wwhw-grq6-66rj"}],"sources":{"cve":[{"id":"CVE-2021-44467","title":"spx_restservice KillDupUsr_func Broken Access Control","description":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T00:00:00Z","modified":"2025-05-07T15:48:23.271Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31304","description":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T00:00:00Z","modified":"2025-05-07T15:48:23Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:53.098709Z"}],"ghsa":[{"id":"GHSA-wwhw-grq6-66rj","title":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows...","description":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T19:00:17Z","modified":"2024-09-30T15:31:45Z","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-284"],"updated_at":"2026-11-02T14:58:22.484222Z"}],"nvd":[{"id":"CVE-2021-44467","description":"A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T14:15:49.677Z","modified":"2026-06-17T04:12:23.573Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"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-284"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}