CVE-2025-34509

7.5 HIGH

Published: June 17, 2025 Modified: December 27, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/

Source: disclosure@vulncheck.com

Exploit Third Party Advisory

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667

Source: disclosure@vulncheck.com

Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

14.5%

94th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-798

Affected Vendors

sitecore

Related CVEs

CVE-2025-69261 N/A

CVE-2025-69257 6.7

CVE-2025-69210 N/A

CVE-2025-66823 N/A

CVE-2025-50343 N/A