{"cve_id":"CVE-2021-22017","published":"2021-09-23T13:15:08.207000+00:00","last_modified":"2026-06-17T03:36:33.670000+00:00","vuln_status":"Analyzed","description":"Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","base_score":5.3,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"LOW","impact_i":"NONE","impact_a":"NONE","cwe_ids":[],"in_kev":true,"kev_date_added":"2022-01-10","kev_ransomware":false,"epss_score":0.49177,"epss_percentile":0.98885,"cap_rule_version":"0.1.1","stage":"RECON","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"NONE","caps":["INFO_DISCLOSURE"],"terminal":false,"cap_confidence":"medium","ingested_at":"2026-09-18T09:49:31.857362+00:00","first_seen":"2021-09-23T13:15:08.207000+00:00","kev_first_seen":"2022-01-10T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["vmware"],"products":["vcenter_server"],"affected":[{"vendor":"vmware","product":"vcenter_server","ranges":["6.7"]}]}