{"id":"CVE-2025-20370","state":"PUBLISHED","title":"Denial of Service (DoS) through Multiple LDAP Bind Requests in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.0.1, 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a user who holds a role that contains the high-privilege capability `change_authentication`, could send multiple LDAP bind requests to a specific internal endpoint, resulting in high server CPU usage, which could potentially lead to a denial of service (DoS) until the Splunk Enterprise instance is restarted. See https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities and https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/use-ldap-as-an-authentication-scheme/configure-ldap-with-splunk-web#cfe47e31_007f_460d_8b3d_8505ffc3f0dd__Configure_LDAP_with_Splunk_Web for more information.","publishedAt":"2025-10-01T16:07:57.541Z","updatedAt":"2025-10-01T17:36:09.560Z","severity":{"score":4.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","source":"cisco"},"assigner":"cisco","products":["Splunk Splunk Enterprise","Splunk Splunk Enterprise Cloud"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.0","status":"affected","lessThan":"10.0.1","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.4","versionType":"custom"},{"version":"9.3","status":"affected","lessThan":"9.3.6","versionType":"custom"},{"version":"9.2","status":"affected","lessThan":"9.2.8","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Enterprise Cloud","versions":[{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.108","versionType":"custom"},{"version":"9.3.2408","status":"affected","lessThan":"9.3.2408.118","versionType":"custom"},{"version":"9.2.2406","status":"affected","lessThan":"9.2.2406.123","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2025-1005"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/20xxx/CVE-2025-20370.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20370","state":"PUBLISHED","datePublished":"2025-10-01T16:07:57.541Z","dateUpdated":"2025-10-01T17:36:09.560Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2024-10-10T19:15:13.262Z"},"containers":{"cna":{"title":"Denial of Service (DoS) through Multiple LDAP Bind Requests in Splunk Enterprise","descriptions":[{"lang":"en","value":"In Splunk Enterprise versions below 10.0.1, 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a user who holds a role that contains the high-privilege capability `change_authentication`, could send multiple LDAP bind requests to a specific internal endpoint, resulting in high server CPU usage, which could potentially lead to a denial of service (DoS) until the Splunk Enterprise instance is restarted. See https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities and https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/use-ldap-as-an-authentication-scheme/configure-ldap-with-splunk-web#cfe47e31_007f_460d_8b3d_8505ffc3f0dd__Configure_LDAP_with_Splunk_Web for more information."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.0","status":"affected","lessThan":"10.0.1","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.4","versionType":"custom"},{"version":"9.3","status":"affected","lessThan":"9.3.6","versionType":"custom"},{"version":"9.2","status":"affected","lessThan":"9.2.8","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Enterprise Cloud","versions":[{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.108","versionType":"custom"},{"version":"9.3.2408","status":"affected","lessThan":"9.3.2408.118","versionType":"custom"},{"version":"9.2.2406","status":"affected","lessThan":"9.2.2406.123","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2025-1005"}],"metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1","baseScore":4.9,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","type":"cwe","description":"The software does not properly control the allocation and maintenance of a limited resource thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2025-10-01T16:07:57.541Z"},"datePublic":"2025-10-01T00:00:00.000Z","source":{"advisory":"SVD-2025-1005"},"credits":[{"lang":"en","value":"STÖK / Fredrik Alexandersson"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:22:44.584017Z","id":"CVE-2025-20370","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:36:09.560Z"}}]}}}