{"id":"CVE-2021-22002","aliases":["EUVD-2021-9172","GHSA-35g3-x9xw-f42c"],"status":"published","title":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints...","description":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01207,"percentile":0.68611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-08-31T21:02:21Z","modified":"2026-06-17T03:36:32Z","products":[{"vendor":"vmware","product":"cloud_foundation"},{"vendor":"vmware","product":"identity_manager"},{"vendor":"vmware","product":"vrealize_suite_lifecycle_manager"},{"vendor":"vmware","product":"workspace_one_access"}],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2021-0016.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22002"},{"url":"https://github.com/advisories/GHSA-35g3-x9xw-f42c"}],"sources":{"cve":[{"id":"CVE-2021-22002","description":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.","status":"published","published":"2021-08-31T21:02:21Z","modified":"2024-08-03T18:30:23.707Z","updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9172","description":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.","status":"published","published":"2021-08-31T21:02:21Z","modified":"2024-08-03T18:30:23Z","updated_at":"2026-11-03T03:25:04.094929Z"}],"ghsa":[{"id":"GHSA-35g3-x9xw-f42c","title":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints...","description":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.","status":"published","published":"2022-05-24T19:12:51Z","modified":"2023-01-30T05:01:52Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:30.304291Z"}],"nvd":[{"id":"CVE-2021-22002","description":"VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.","status":"published","published":"2021-08-31T22:15:08.32Z","modified":"2026-06-17T03:36:32.127Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}