{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20240", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.400Z", "datePublished": "2026-05-20T16:32:05.687Z", "dateUpdated": "2026-05-20T17:47:46.372Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.2", "status": "affected", "versionType": "custom", "lessThan": "10.2.2"}, {"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.5"}, {"version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.11"}, {"version": "9.3", "status": "affected", "versionType": "custom", "lessThan": "9.3.12"}]}, {"product": "Splunk Cloud Platform", "vendor": "Splunk", "versions": [{"version": "10.4.2603", "status": "affected", "versionType": "custom", "lessThan": "10.4.2603.1"}, {"version": "10.3.2512", "status": "affected", "versionType": "custom", "lessThan": "10.3.2512.9"}, {"version": "10.2.2510", "status": "affected", "versionType": "custom", "lessThan": "10.2.2510.11"}, {"version": "10.1.2507", "status": "affected", "versionType": "custom", "lessThan": "10.1.2507.21"}, {"version": "10.0.2503", "status": "affected", "versionType": "custom", "lessThan": "10.0.2503.13"}, {"version": "9.3.2411", "status": "affected", "versionType": "custom", "lessThan": "9.3.2411.129"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the \u2018admin\u2019 or \u2018power\u2019 Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories."}], "value": "In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the \u2018admin\u2019 or \u2018power\u2019 Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0504"}], "title": "Denial of Service through coldToFrozen.sh Script in Splunk Enterprise", "datePublic": "2026-05-20T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "baseScore": 7.1, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program.", "cweId": "CWE-20"}]}], "source": {"advisory": "SVD-2026-0504"}, "credits": [{"lang": "en", "value": "Alex Hordijk (hordalex)"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-05-20T16:32:05.687Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-20T17:47:29.920729Z", "id": "CVE-2026-20240", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-20T17:47:46.372Z"}}]}}

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