CVE-2025-15633
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 · uneditedAn improper authorization vulnerability in HCL BigFix WebUI allows an authenticated user without Master Operator privileges to access internal data (site names, versions, and configuration variables) and bypass privilege requirements via unprotected endpoints lacking adequate security headers.
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 confidenceHCL BigFix WebUI contains improper authorization checks that allow authenticated users without Master Operator privileges to access sensitive internal data (site names, versions, and configuration variables) through unprotected API endpoints that lack adequate security headers.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 33< 40< 22< 101< 28< 50< 37< 14CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 checksWork through these to decide whether this CVE applies to you.
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Identify installed BigFix WebUI component versionsLocate and inspect the version information for each installed BigFix WebUI component (Api, Application Administration, Cmep, Common, Content App, Custom, Data Sync, Extensions). This is typically available in the product's about page, installation directory, or via the webui configuration interface.Affected if Any installed component version falls below its threshold: Api < 33, Application Administration < 40, Cmep < 22, Common < 101, Content App < 28, Custom < 50, Data Sync < 37, Extensions < 14
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Verify current user privilege levelCheck whether the user account accessing the BigFix WebUI has Master Operator privileges. This can be done by reviewing the user's role in the BigFix console or WebUI administration panel under user management or permissions settings.Affected if The current user is authenticated but does NOT hold Master Operator privileges (i.e., has a restricted or non-administrative role)
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Test API endpoint access without elevated privilegesUsing a non-Master Operator account, attempt to access common internal API endpoints such as /api/site, /api/config, /api/settings, or similar endpoints that expose site names, versions, and configuration variables. Inspect the HTTP response for returned sensitive data.Affected if The API endpoints return internal data (site names, versions, configuration variables) to a user without Master Operator privileges
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Inspect API response security headersCapture and examine HTTP response headers from API endpoint requests using browser developer tools or a proxy. Look for the presence or absence of security headers such as X-Frame-Options, Content-Security-Policy, X-Content-Type-Options, and Strict-Transport-Security.Affected if Security headers (X-Frame-Options, Content-Security-Policy) are missing from API responses
The environment is affected if any BigFix WebUI component version is below its threshold AND the API endpoints return sensitive internal data to authenticated users lacking Master Operator privileges, regardless of whether security headers are present.
Generated from the published advisory. Verify against your own configuration.
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 · scoped142228
Implement proper role-based authorization checks on all WebUI endpoints and add security headers (e.g., X-Frame-Options, Content-Security-Policy) to enforce privilege requirements for accessing sensitive configuration data.
BigFix WebUI components upgraded to version 33 (Api), 40 (Application Administration), 22 (Cmep), 101 (Common), 28 (Content App), 50 (Custom), 37 (Data Sync), and 14 (Extensions) or later
- 1. Identify all BigFix WebUI components currently installed by checking the deployment inventory
- 2. Access HCL BigFix support portal at support.hcl-software.com to obtain the specific version 33+ patches for each component
- 3. Download the latest version 33+ of BigFix WebUI Api
- 4. Download the latest version 40+ of BigFix WebUI Application Administration
- 5. Download the latest version 22+ of BigFix WebUI Cmep
- 6. Download the latest version 101+ of BigFix WebUI Common
- 7. Download the latest version 28+ of BigFix WebUI Content App
- 8. Download the latest version 50+ of BigFix WebUI Custom
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-15633 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-15633 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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