{"id":"CVE-2021-22919","aliases":["EUVD-2021-10048","GHSA-8v5q-r6pr-xg3j"],"status":"published","title":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix...","description":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.","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":"2026-11-11","score":0.0094,"percentile":0.6137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2021-08-05T20:16:46Z","modified":"2026-06-17T03:38:01Z","products":[{"vendor":"citrix","product":"application_delivery_controller_firmware"},{"vendor":"citrix","product":"gateway"},{"vendor":"citrix","product":"netscaler_gateway"},{"vendor":"citrix","product":"sd-wan_wanop"}],"references":[{"url":"https://support.citrix.com/article/CTX319135","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22919"},{"url":"https://github.com/advisories/GHSA-8v5q-r6pr-xg3j"}],"sources":{"cve":[{"id":"CVE-2021-22919","description":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.","status":"published","published":"2021-08-05T20:16:46Z","modified":"2024-08-03T18:58:25.542Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-10048","description":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.","status":"published","published":"2021-08-05T20:16:46Z","modified":"2024-08-03T18:58:25Z","updated_at":"2026-11-03T03:25:01.154097Z"}],"ghsa":[{"id":"GHSA-8v5q-r6pr-xg3j","title":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix...","description":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.","status":"published","published":"2022-05-24T19:10:07Z","modified":"2023-01-30T05:01:17Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:22.480874Z"}],"nvd":[{"id":"CVE-2021-22919","description":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.","status":"published","published":"2021-08-05T21:15:10.997Z","modified":"2026-06-17T03:38:01.453Z","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-770"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}