{"id":"CVE-2021-22050","aliases":["EUVD-2021-9217","GHSA-46v5-rjr4-jpqg"],"status":"published","title":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor...","description":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.","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":0.02316,"percentile":0.83646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2022-02-16T16:37:56Z","modified":"2026-06-17T03:36:36Z","products":[{"vendor":"vmware","product":"cloud_foundation"},{"vendor":"vmware","product":"esxi"}],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2022-0004.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22050"},{"url":"https://github.com/advisories/GHSA-46v5-rjr4-jpqg"}],"sources":{"cve":[{"id":"CVE-2021-22050","description":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.","status":"published","published":"2022-02-16T16:37:56Z","modified":"2024-08-03T18:30:23.946Z","updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9217","description":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.","status":"published","published":"2022-02-16T16:37:56Z","modified":"2024-08-03T18:30:23Z","updated_at":"2026-11-03T03:25:03.638882Z"}],"ghsa":[{"id":"GHSA-46v5-rjr4-jpqg","title":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor...","description":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.","status":"published","published":"2022-02-17T00:00:32Z","modified":"2023-02-03T05:05:59Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:53:49.735091Z"}],"nvd":[{"id":"CVE-2021-22050","description":"ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.","status":"published","published":"2022-02-16T17:15:10.653Z","modified":"2026-06-17T03:36:36.647Z","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":"2026-11-02T14:07:04.6896Z"}]}}