{"id":"CVE-2020-5622","aliases":["EUVD-2020-26783","GHSA-9h6c-p2fm-j5qx"],"status":"published","title":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier...","description":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.","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":"2026-11-09","score":0.01296,"percentile":0.70578,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2020-09-02T04:35:14Z","modified":"2026-06-17T03:21:42Z","products":[{"vendor":"cyber security cloud , inc.","product":"shadankun server security type (excluding normal blocking method types)"},{"vendor":"shadan-kun","product":"server_security_type"}],"references":[{"url":"https://www.shadan-kun.com/news/20200831/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN42665874/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5622"},{"url":"https://github.com/advisories/GHSA-9h6c-p2fm-j5qx"}],"sources":{"cve":[{"id":"CVE-2020-5622","description":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.","status":"published","published":"2020-09-02T04:35:14Z","modified":"2024-08-04T08:39:25.017Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26783","description":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.","status":"published","published":"2020-09-02T04:35:14Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:06.272693Z"}],"ghsa":[{"id":"GHSA-9h6c-p2fm-j5qx","title":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier...","description":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.","status":"published","published":"2022-05-24T17:27:16Z","modified":"2023-01-27T05:02:31Z","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-755"],"updated_at":"2026-11-02T14:42:03.588739Z"}],"nvd":[{"id":"CVE-2020-5622","description":"Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.","status":"published","published":"2020-09-02T05:15:12.347Z","modified":"2026-06-17T03:21:42.627Z","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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}