{"id":"CVE-2023-38203","aliases":["EUVD-2023-42023","GHSA-4vp5-7p37-q66w"],"status":"published","title":"Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE","description":"Adobe ColdFusion versions 2018u17 (and earlier), 2021u7 (and earlier) and 2023u1 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.97074,"percentile":0.99892,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-07-20T15:41:10Z","modified":"2026-06-17T06:09:39Z","kev":{"date_added":"2024-01-08","due_date":"2024-01-29","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2024-01-08"},{"source":"kev","since":"2024-01-08"}],"exploits":[{"source":"nuclei","id":"CVE-2023-38203","title":"Adobe ColdFusion - Deserialization of Untrusted Data","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-38203.yaml"}],"products":[{"vendor":"adobe","product":"coldfusion"}],"references":[{"url":"https://helpx.adobe.com/security/products/coldfusion/apsb23-41.html","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38203","tags":["government-resource","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38203"},{"url":"https://github.com/advisories/GHSA-4vp5-7p37-q66w"}],"sources":{"cve":[{"id":"CVE-2023-38203","title":"Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE","description":"Adobe ColdFusion versions 2018u17 (and earlier), 2021u7 (and earlier) and 2023u1 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. 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Exploitation of this issue does not require user interaction.","status":"published","published":"2023-07-20T18:33:43Z","modified":"2025-10-22T00:33:52Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:04:08.734574Z"}],"kev":[{"id":"CVE-2023-38203","title":"Adobe ColdFusion Deserialization of Untrusted Data Vulnerability","description":"Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution.","cwes":["CWE-502"],"kev":{"date_added":"2024-01-08","due_date":"2024-01-29","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-38203","description":"Adobe ColdFusion versions 2018u17 (and earlier), 2021u7 (and earlier) and 2023u1 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.","status":"published","published":"2023-07-20T16:15:12.18Z","modified":"2026-06-17T06:09:39.36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:08:17.044696Z"}]}}