{"id":"CVE-2021-46279","aliases":["EUVD-2021-32971","GHSA-vr2w-6jc9-59fh"],"status":"published","title":"Session Fixation and Insufficient Session Expiration","description":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00508,"percentile":0.43844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-384","CWE-613"],"published":"2022-10-24T00:00:00Z","modified":"2026-06-17T04:14:42Z","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-2021-46279/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46279"},{"url":"https://github.com/CVEProject/cvelist/blob/master/2021/46xxx/CVE-2021-46279.json"},{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-46279/"},{"url":"https://github.com/advisories/GHSA-vr2w-6jc9-59fh"}],"sources":{"cve":[{"id":"CVE-2021-46279","title":"Session Fixation and Insufficient Session Expiration","description":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T00:00:00Z","modified":"2025-05-07T13:43:25.886Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-384","CWE-613"],"updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-32971","description":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T00:00:00Z","modified":"2025-05-07T13:43:25Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:53.482549Z"}],"ghsa":[{"id":"GHSA-vr2w-6jc9-59fh","title":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom...","description":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T19:00:16Z","modified":"2023-01-27T05:02:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:42:01.451226Z"}],"nvd":[{"id":"CVE-2021-46279","description":"Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.","status":"published","published":"2022-10-24T14:15:49.903Z","modified":"2026-06-17T04:14:42.403Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-384","CWE-613"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}