{"id":"CVE-2023-40593","state":"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.","publishedAt":"2023-08-30T16:19:41.308Z","updatedAt":"2025-02-28T11:03:56.605Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","source":"Splunk"},"assigner":"Splunk","products":["Splunk Splunk Enterprise","Splunk Splunk Cloud"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"8.2","status":"affected","lessThan":"8.2.12","versionType":"custom"},{"version":"9.0","status":"affected","lessThan":"9.0.6","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud","versions":[{"version":"-","status":"affected","lessThan":"9.0.2205","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2023-0802","https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/40xxx/CVE-2023-40593.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-40593","state":"PUBLISHED","datePublished":"2023-08-30T16:19:41.308Z","dateUpdated":"2025-02-28T11:03:56.605Z","assignerShortName":"Splunk","assignerOrgId":"42b59230-ec95-491e-8425-5a5befa1a469","dateReserved":"2023-08-16T22:07:52.838Z"},"containers":{"cna":{"title":"Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"8.2","status":"affected","lessThan":"8.2.12","versionType":"custom"},{"version":"9.0","status":"affected","lessThan":"9.0.6","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud","versions":[{"version":"-","status":"affected","lessThan":"9.0.2205","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2023-0802"},{"url":"https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/"}],"metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1","baseScore":6.3,"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":"Splunk","orgId":"42b59230-ec95-491e-8425-5a5befa1a469","dateUpdated":"2025-02-28T11:03:56.605Z"},"datePublic":"2023-08-30T00:00:00.000Z","source":{"advisory":"SVD-2023-0802"},"credits":[{"lang":"en","value":"Aaron Devaney (Dodekeract)"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://advisory.splunk.com/advisories/SVD-2023-0802","tags":["x_transferred"]},{"url":"https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T18:38:50.977Z"}}]}}}