{"id":"CVE-2021-35242","aliases":["EUVD-2021-21885","GHSA-vrh8-5phj-x6h2"],"status":"published","title":"A valid CSRF token is present in response to an invalid request","description":"Serv-U server responds with valid CSRFToken when the request contains only Session.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00787,"percentile":0.56587,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-12-06T16:53:22Z","modified":"2026-06-17T03:57:22Z","products":[{"vendor":"solarwinds","product":"serv-u"},{"vendor":"solarwinds","product":"serv-u server"}],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-5_release_notes.htm","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35242"},{"url":"https://github.com/advisories/GHSA-vrh8-5phj-x6h2"}],"sources":{"cve":[{"id":"CVE-2021-35242","title":"A valid CSRF token is present in response to an invalid request","description":"Serv-U server responds with valid CSRFToken when the request contains only Session.","status":"published","published":"2021-12-06T16:53:22Z","modified":"2024-08-04T00:33:51.281Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21885","description":"Serv-U server responds with valid CSRFToken when the request contains only Session.","status":"published","published":"2021-12-06T16:53:22Z","modified":"2024-08-04T00:33:51Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:30.441845Z"}],"ghsa":[{"id":"GHSA-vrh8-5phj-x6h2","title":"Serv-U server responds with valid CSRFToken when the request contains only Session.","description":"Serv-U server responds with valid CSRFToken when the request contains only Session.","status":"published","published":"2021-12-07T00:00:28Z","modified":"2023-02-01T05:06:40Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:50:24.014737Z"}],"nvd":[{"id":"CVE-2021-35242","description":"Serv-U server responds with valid CSRFToken when the request contains only Session.","status":"published","published":"2021-12-06T17:15:07.627Z","modified":"2026-06-17T03:57:22.123Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}