{"id":"CVE-2021-31923","aliases":["EUVD-2021-18796","GHSA-ph7p-h447-h4q6"],"status":"published","title":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","description":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00708,"percentile":0.539,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2021-09-24T02:30:11Z","modified":"2026-06-17T03:52:30Z","products":[{"vendor":"ping identity","product":"pingaccess"},{"vendor":"pingidentity","product":"pingaccess"}],"references":[{"url":"https://docs.pingidentity.com/bundle/pingaccess-53/page/wco1629833104567.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31923"},{"url":"https://github.com/advisories/GHSA-ph7p-h447-h4q6"}],"sources":{"cve":[{"id":"CVE-2021-31923","description":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","status":"published","published":"2021-09-24T02:30:11Z","modified":"2024-08-03T23:10:31.392Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18796","description":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","status":"published","published":"2021-09-24T02:30:11Z","modified":"2024-08-03T23:10:31Z","updated_at":"2026-11-03T03:24:37.97373Z"}],"ghsa":[{"id":"GHSA-ph7p-h447-h4q6","title":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","description":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","status":"published","published":"2022-05-24T19:15:43Z","modified":"2023-01-30T05:02:28Z","cwes":["CWE-444"],"updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-31923","description":"Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.","status":"published","published":"2021-09-24T03:15:06.497Z","modified":"2026-06-17T03:52:30.017Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}