{"id":"CVE-2021-36174","aliases":["EUVD-2021-22795","GHSA-vw22-2cvx-m8f8"],"status":"published","title":"A memory allocation with excessive size value vulnerability in the license verification function...","description":"A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00781,"percentile":0.564,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2021-11-02T18:15:44Z","modified":"2026-06-17T03:58:27Z","products":[{"vendor":"fortinet","product":"fortinet fortiportal"},{"vendor":"fortinet","product":"fortiportal"}],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-109","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36174"},{"url":"https://github.com/advisories/GHSA-vw22-2cvx-m8f8"}],"sources":{"cve":[{"id":"CVE-2021-36174","description":"A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.","status":"published","published":"2021-11-02T18:15:44Z","modified":"2024-10-25T13:46:54.266Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:U/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-22795","description":"A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.","status":"published","published":"2021-11-02T18:15:44Z","modified":"2024-10-25T13:46:54Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:U/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:05:19.027476Z"}],"ghsa":[{"id":"GHSA-vw22-2cvx-m8f8","title":"A memory allocation with excessive size value vulnerability in the license verification function...","description":"A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.","status":"published","published":"2022-05-24T19:19:24Z","modified":"2023-01-30T05:03:31Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-36174","description":"A memory allocation with excessive size value vulnerability in the license verification function of FortiPortal before 6.0.6 may allow an attacker to perform a denial of service attack via specially crafted license blobs.","status":"published","published":"2021-11-02T19:15:07.733Z","modified":"2026-06-17T03:58:27.86Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}