CVE-2025-34509

Name: CVE-2025-34509
Creator: NVD / NIST
Published: 2025-06-17T19:15:31.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 38.43%

Last modified Jun 17, 2026

CVE-2025-34509 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 38.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

38.43%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Sitecore	Experience Commerce	>= 9.0, <= 10.4
Sitecore	Experience Manager	>= 9.0, <= 10.4
Sitecore	Experience Platform	>= 9.0, < 10.4
Sitecore	Experience Platform	10.4
Sitecore	Managed Cloud	All versions

References

https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/Exploit, Third Party Advisory
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667Vendor Advisory

Timeline

Published: Jun 17, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-34509?

How severe is CVE-2025-34509?

CVE-2025-34509 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 38.43% probability of exploitation in the next 30 days.

How do I fix CVE-2025-34509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-34509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST