{"id":"CVE-2021-3398","aliases":["EUVD-2021-26726","GHSA-p8x6-j8fm-7h4p"],"status":"published","title":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00924,"percentile":0.60683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2022-02-10T16:13:24Z","modified":"2026-06-17T04:05:01Z","products":[{"vendor":"stormshield","product":"stormshield_network_security"}],"references":[{"url":"https://www.stormshield.com/category/alert/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://advisories.stormshield.eu/2021-001/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3398"},{"url":"https://github.com/advisories/GHSA-p8x6-j8fm-7h4p"}],"sources":{"cve":[{"id":"CVE-2021-3398","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","status":"published","published":"2022-02-10T16:13:24Z","modified":"2024-08-03T16:53:17.618Z","updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26726","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","status":"published","published":"2022-02-10T16:13:24Z","modified":"2024-08-03T16:53:17Z","updated_at":"2026-11-03T03:25:13.052236Z"}],"ghsa":[{"id":"GHSA-p8x6-j8fm-7h4p","title":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","status":"published","published":"2022-02-11T00:00:45Z","modified":"2023-02-03T05:05:47Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:53:47.833456Z"}],"nvd":[{"id":"CVE-2021-3398","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","status":"published","published":"2022-02-10T17:15:09.237Z","modified":"2026-06-17T04:05:01.527Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","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-190"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}