CVE-2023-37523
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 · uneditedMissing or insecure tags in the HCL BigFix Bare OSD Metal Server WebUI version 311.19 or lower could allow an attacker to execute a malicious script on the user's browser.
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 confidenceMissing or insecure security tags in HCL BigFix Bare OSD Metal Server WebUI version 311.19 and below allow attackers to inject and execute malicious scripts in users' browsers, indicating a Cross-Site Scripting (XSS) vulnerability likely stemming from missing Content Security Policy (CSP) headers or inadequate input sanitization.
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<= 311.19CVSS 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
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 the installed product and versionLocate the HCL BigFix Bare OSD Metal Server WebUI installation and determine its version number. Check the application's about page, installation directory, or version file. Common locations may include the WebUI installation folder or the BigFix console.Affected if The installed version is 311.19 or lower (any version up to and including 311.19)
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Inspect HTTP response headers for Content Security PolicyUse a browser developer tool, curl, or a packet capture tool to capture HTTP responses from the WebUI. Examine the response headers for the presence of Content-Security-Policy header.Affected if The CSP header is missing or does not include appropriate directives to prevent script injection (e.g., missing 'script-src' restrictions)
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Test web input fields for XSS vulnerabilitySubmit benign XSS test payloads (such as <script>alert(1)</script> or <img src=x onerror=alert(1)>) into user-input fields within the WebUI interface, then check if the payload is executed or reflected unsanitized in subsequent responses.Affected if The submitted script content is executed in the browser or reflected directly in the HTML response without encoding or sanitization
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Review page source for security tagsView the HTML source of WebUI pages (right-click, View Page Source) and examine for the presence of security-related meta tags such as X-Content-Type-Options, X-XSS-Protection, or CSP meta tags.Affected if Security meta tags are absent or improperly configured, indicating missing security tag implementations
You are affected if the HCL BigFix Bare OSD Metal Server WebUI version is 311.19 or lower AND the application lacks proper CSP headers, security meta tags, or input sanitization allowing script injection.
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 · scopedUpgrade HCL BigFix Bare OSD Metal Server WebUI to a version higher than 311.19 which should contain proper security tag implementations; additionally implement Content Security Policy headers and input validation as defense-in-depth measures.
Latest stable version above 311.19 (contact HCL support for exact fixed release number)
- Navigate to the HCL BigFix support portal at support.hcltechsw.com
- Locate the BigFix Bare OSD Metal Server WebUI downloads section
- Download the latest available version of BigFix Bare OSD Metal Server WebUI
- Before upgrading, back up your current configuration and database
- Stop the BigFix services
- Install the new version following the standard upgrade procedure
- Restart the BigFix services
- Verify the WebUI is functioning correctly
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation4.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-37523 — 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-2023-37523 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
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data