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Insufficiently Protected CredentialsWeakness · CWE-522

CVE-2025-34139

HIGH · 8.7 CVSS v4.0 Published 2025-07-25
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
96/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability exists in Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud that could allow an unauthenticated attacker to read arbitrary files. This vulnerability affects all Experience Platform topologies (XM, XP, XC) from 8.0 Initial Release through 10.4 Initial Release and later. This issue affects Content Management (CM) and standalone instances. PaaS and containerized solutions are also affected.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

An unauthenticated path traversal vulnerability in Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) allows remote attackers to read arbitrary files from the server file system through Content Management (CM) or standalone instances. This affects versions 8.0 through 10.4+ across all topologies including PaaS and containerized deployments.

MitigationApply vendor-supplied patches immediately; if unavailable, implement web application firewall rules to block path traversal patterns and restrict file system permissions on the CM instances. Consider temporarily disabling affected endpoints until patching is complete.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
Authentication
X
User interaction
None
Scope
X

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the Sitecore product type
    Review your installation documentation or configuration to confirm whether you are running Sitecore XM, XP, XC, or Managed Cloud. Check Sitecore configuration files or the installation topology for the product name.
    Affected if The product is Sitecore XM, XP, XC, or Managed Cloud
  2. Confirm the instance role
    Check the Sitecore instance topology configuration to determine if the instance is a Content Management (CM) server or a standalone instance. Look for the instance role in Sitecore configuration files or the site topology settings.
    Affected if The instance is configured as Content Management (CM) or standalone
  3. Determine the installed Sitecore version
    Access the Sitecore About page (typically at /sitecore/shell/About.aspx) or check the version in the Sitecore configuration files (often found in the website root or App_Config folder). Compare the version number against the affected range.
    Affected if The installed version is 8.0, 8.1, 8.2, 9.0, 9.1, 9.2, 9.3, 10.0, 10.1, 10.2, 10.3, or 10.4 (any version from 8.0 through 10.4 inclusive)
  4. Verify network exposure of the CM or standalone instance
    Determine if the Content Management or standalone instance is directly accessible from the network without authentication requirements. Check firewall rules, load balancer configurations, and website bindings to assess whether the vulnerable endpoint is reachable by unauthenticated remote attackers.
    Affected if The CM or standalone instance is externally accessible without requiring authentication

You are affected if your environment runs Sitecore XM, XP, XC, or Managed Cloud with a Content Management or standalone instance at version 8.0 through 10.4 that is network-accessible to unauthenticated users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied patches immediately; if unavailable, implement web application firewall rules to block path traversal patterns and restrict file system permissions on the CM instances. Consider temporarily disabling affected endpoints until patching is complete.

Recommended fix Moderate confidence

Latest Sitecore 10.4.x stable release or newer (verify specific patch via Sitecore security bulletin)

  1. Check Sitecore's official security bulletin (referenced at support.sitecore.com) for this specific vulnerability for any available hotfix or patch
  2. Identify your current Sitecore version by checking the Sitecore instance or configuration files
  3. If running an affected version (8.0 Initial Release through 10.4 Initial Release), plan an upgrade to a patched version
  4. Upgrade to the latest stable Sitecore release (10.4.x or newer) that includes the security fix
  5. After upgrade, verify the fix by confirming arbitrary file read is no longer possible
  6. For managed cloud or PaaS deployments, contact Sitecore support to ensure the infrastructure has been patched
Caveat Review Sitecore upgrade guides for breaking changes between your current version and target version; major version upgrades may require content migration or configuration updates

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,840
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-34139 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data