{"id":"CVE-2023-40593","aliases":["EUVD-2023-45151","GHSA-qpqv-mwrg-mw8j"],"status":"published","title":"Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request","description":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00582,"percentile":0.481,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-08-30T16:19:41Z","modified":"2026-06-17T06:18:37Z","products":[{"vendor":"splunk","product":"splunk"},{"vendor":"splunk","product":"splunk cloud"},{"vendor":"splunk","product":"splunk enterprise"},{"vendor":"splunk","product":"splunk_cloud_platform"}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2023-0802","tags":["x_transferred","Vendor Advisory"]},{"url":"https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40593"},{"url":"https://github.com/advisories/GHSA-qpqv-mwrg-mw8j"}],"sources":{"cve":[{"id":"CVE-2023-40593","title":"Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request","description":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.","status":"published","published":"2023-08-30T16:19:41.308Z","modified":"2025-02-28T11:03:56.605Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-45151","description":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.","status":"published","published":"2023-08-30T16:19:41Z","modified":"2025-02-28T11:03:56Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:53:19.898689Z"}],"ghsa":[{"id":"GHSA-qpqv-mwrg-mw8j","title":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed...","description":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.","status":"published","published":"2023-08-30T18:30:22Z","modified":"2023-11-11T05:04:53Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:54:59.032182Z"}],"nvd":[{"id":"CVE-2023-40593","description":"In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.","status":"published","published":"2023-08-30T17:15:09.853Z","modified":"2026-06-17T06:18:37.693Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:08:25.025396Z"}]}}