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.
Affected products
sitecore: experience commerce; sitecore: experience manager; sitecore: experience platform; sitecore: managed cloud
References2
- support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB10… Vendor Advisory
- labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-site… ExploitThird Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 56% percentile: 99 · as of 7 November 2026
- CWE
- CWE-798
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