{"id":"CVE-2020-8187","aliases":["EUVD-2020-29065","GHSA-qq2f-8prw-23j6"],"status":"published","title":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62...","description":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.","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":0.01949,"percentile":0.80361,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-07-10T15:35:56Z","modified":"2026-06-17T03:26:00Z","products":[{"vendor":"citrix","product":"application_delivery_controller_firmware"},{"vendor":"citrix","product":"netscaler_gateway_firmware"}],"references":[{"url":"https://support.citrix.com/article/CTX276688","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8187"},{"url":"https://github.com/advisories/GHSA-qq2f-8prw-23j6"}],"sources":{"cve":[{"id":"CVE-2020-8187","description":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.","status":"published","published":"2020-07-10T15:35:56Z","modified":"2024-08-04T09:56:28.243Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-29065","description":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.","status":"published","published":"2020-07-10T15:35:56Z","modified":"2024-08-04T09:56:28Z","updated_at":"2026-11-03T03:07:57.599144Z"}],"ghsa":[{"id":"GHSA-qq2f-8prw-23j6","title":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62...","description":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.","status":"published","published":"2022-05-24T17:22:45Z","modified":"2023-01-29T05:03:21Z","updated_at":"2026-11-02T14:45:18.070616Z"}],"nvd":[{"id":"CVE-2020-8187","description":"Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.","status":"published","published":"2020-07-10T16:15:11.937Z","modified":"2026-06-17T03:26:00.92Z","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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}