CVE-2025-34509
highpriority · attend · 50OT risk · highEPSS 0.559 · 99 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1345Sitecore Experience Manager: Mehrere SchwachstellenDeutsch2025-06-17csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Sitecore Experience Manager ausnutzen, um Sicherheitsvorkehrungen zu umgehen, oder um beliebigen Programmcode auszuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-34509cnnvd
- https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-34509cnnvd
- https://www.sitecore.com/products/experience-managerPatchcnnvd
- https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/enisa_euvd
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667enisa_euvd
- https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/ExploitThird Party Advisorynvd
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667Vendor Advisorynvd
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