Gigavue OsOperating system · Gigamon

CVE-2023-0746

MEDIUM · 6.1 CVSS v3.1 Published 2023-03-10
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

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
The help page in GigaVUE-FM, when using GigaVUE-OS software version 5.0 202, does not require an authenticated user. An attacker could enforce a user into inserting malicious JavaScript code into the URI, that could lead to a Reflected Cross site Scripting.

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

A reflected Cross-Site Scripting (XSS) vulnerability exists in the help page of GigaVUE-FM version 5.0.202. The help page does not require authentication, allowing unauthenticated attackers to craft malicious URLs containing JavaScript code that gets reflected back to victim users when they visit the manipulated URI.

MitigationImplement proper input validation and output encoding on all parameters in the help page, and ensure the help page requires authentication or apply CSRF tokens. Until a vendor patch is available, restrict network access to the management interface and monitor for suspicious URI patterns.

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
Gigavue OsOperating system
Affected:= 5.0.202

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
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 checks

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

  1. Identify GigaVUE-FM software version
    Log into the GigaVUE-FM management interface or check the system about page, or use the CLI command to display the firmware/software version (typically 'show version' or via the web UI dashboard)
    Affected if The installed version is exactly 5.0.202
  2. Locate the help page endpoint
    Access the help page on the GigaVUE-FM web interface - typically found under a 'Help' or 'Documentation' link in the navigation, often at a path like /help, /fm/help, or /static/help/
    Affected if The help page is accessible and loads successfully in the browser
  3. Confirm help page does not require authentication
    Open a private/incognito browser window and navigate directly to the help page URL without logging in, or attempt to access the help URL from a non-authenticated state
    Affected if The help page loads and returns content without requiring login credentials
  4. Test for reflected parameter vulnerability
    Append a test parameter to the help URL (for example, ?test= or ?page=) with a benign string such as 'test123', then inspect the page source or use browser dev tools to see if your input is reflected verbatim in the response
    Affected if The input string appears unchanged in the HTML response, indicating potential reflection without sanitization

A user is affected if their GigaVUE-FM version is exactly 5.0.202 and the help page is accessible without authentication, as this specific version lacks input validation on the unauthenticated help page endpoint.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement proper input validation and output encoding on all parameters in the help page, and ensure the help page requires authentication or apply CSRF tokens. Until a vendor patch is available, restrict network access to the management interface and monitor for suspicious URI patterns.

Fix this in Gigavue Os Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
15.0 hours of engineering $2,640
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Scan for this in your stack

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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-2023-0746 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
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