{"id":"CVE-2025-20384","title":"In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (…","summary":"In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-117"],"vendor":"splunk","product":"splunk","affected":["splunk >= 9.2.0, < 9.2.10","splunk >= 9.3.0, < 9.3.8","splunk >= 9.4.0, < 9.4.6","splunk = 10.0.0","splunk_cloud_platform >= 9.3.2411, < 9.3.2411.117","splunk_cloud_platform >= 10.0.2503, < 10.0.2503.6","splunk_cloud_platform >= 10.1.2507, < 10.1.2507.4"],"patched":["splunk 9.4.6","splunk_cloud_platform 10.1.2507.4"],"published":"2025-12-03","updated":"2026-09-25","sourceUpdated":"2026-09-25T23:10:00.463","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-20384","references":[{"url":"https://advisory.splunk.com/advisories/SVD-2025-1203","label":"psirt@cisco.com"}],"tags":["nvd","exploit-available"],"epss":0.00385,"epssPercentile":0.29877,"exploits":{"github":1,"githubRepos":["https://github.com/Axselll/CVE-2025-20384"],"checkedAt":"2026-09-25T23:21:52.266Z"},"exploitAvailable":true,"ingestedAt":"2026-09-25T23:21:16.869Z","slug":"CVE-2025-20384","body":"## Overview\n\nIn Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files due to improper validation at the /en-US/static/ web endpoint. This may allow them to poison, forge, or obfuscate sensitive log data through specially crafted HTTP requests, potentially impacting log integrity and detection capabilities.\n\n## Affected\n\n- `splunk >= 9.2.0, < 9.2.10`\n- `splunk >= 9.3.0, < 9.3.8`\n- `splunk >= 9.4.0, < 9.4.6`\n- `splunk = 10.0.0`\n- `splunk_cloud_platform >= 9.3.2411, < 9.3.2411.117`\n- `splunk_cloud_platform >= 10.0.2503, < 10.0.2503.6`\n- `splunk_cloud_platform >= 10.1.2507, < 10.1.2507.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `splunk 9.4.6`\n- `splunk_cloud_platform 10.1.2507.4`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}