{"cve":"CVE-2025-34509","nvd":{"published":"2025-06-17T19:15:31.423","modified":"2026-10-29T21:17:05.177","status":"Modified","description":"Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev. 011974 PRE, all versions of 10.2, 10.3 to 10.3.3 rev. 011967 PRE, and 10.4 to 10.4.1 rev. 011941 PRE contain a hardcoded user account. Unauthenticated and remote attackers can use this account to access administrative API over HTTP.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-798"],"references":["https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/","https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667"],"products":["sitecore:experience_commerce","sitecore:experience_manager","sitecore:experience_platform","sitecore:managed_cloud"],"source":"nvd","synced_at":"2026-10-29T21:36:56.436249234+00:00"},"epss":{"cve":"CVE-2025-34509","score":0.55874,"percentile":0.99041,"date":"2026-10-29"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}