{"id":"CVE-2023-40596","aliases":["EUVD-2023-45154","GHSA-mwr4-hjv7-wjrh"],"status":"published","title":"Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definition Reference in DLL","description":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00166,"percentile":0.05895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427","CWE-665"],"published":"2023-08-30T16:19:43Z","modified":"2026-06-17T06:18:38Z","products":[{"vendor":"splunk","product":"splunk"},{"vendor":"splunk","product":"splunk enterprise"}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2023-0805","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40596"},{"url":"https://github.com/advisories/GHSA-mwr4-hjv7-wjrh"}],"sources":{"cve":[{"id":"CVE-2023-40596","title":"Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definition Reference in DLL","description":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.","status":"published","published":"2023-08-30T16:19:43.63Z","modified":"2025-02-28T11:03:54.197Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-45154","description":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.","status":"published","published":"2023-08-30T16:19:43Z","modified":"2025-02-28T11:03:54Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:19.898689Z"}],"ghsa":[{"id":"GHSA-mwr4-hjv7-wjrh","title":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL)...","description":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.","status":"published","published":"2023-08-30T18:30:23Z","modified":"2024-04-04T07:17:59Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-427","CWE-665"],"updated_at":"2026-11-02T14:56:50.398159Z"}],"nvd":[{"id":"CVE-2023-40596","description":"In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.","status":"published","published":"2023-08-30T17:15:10.103Z","modified":"2026-06-17T06:18:38.267Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-665","CWE-427"],"updated_at":"2026-11-02T14:08:25.025396Z"}]}}