CVE-2024-0317
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 · uneditedCross-Site Scripting in FireEye EX, affecting version 9.0.3.936727. Exploitation of this vulnerability allows an attacker to send a specially crafted JavaScript payload via the 'type' and 's_f_name' parameters to an authenticated user to retrieve their session details.
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 confidenceCross-Site Scripting (XSS) vulnerability in FireEye EX version 9.0.3.936727 allows an authenticated attacker to inject malicious JavaScript via the 'type' and 's_f_name' parameters. Successful exploitation enables session hijacking by stealing authenticated user session details.
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= 9.0.3.936727= 9.0.3.936727= 9.0.3.936727CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify FireEye EX firmware versionAccess the appliance console or admin web interface and locate the firmware/version information typically found under System > About, System Status, or the main dashboard. CLI commands like 'show version' or 'system info' may also reveal the firmware build number.Affected if The installed firmware version is exactly 9.0.3.936727 on an EX 5500, EX 8500, or EX 3500 appliance.
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Confirm web interface is accessibleVerify the FireEye EX web management interface (HTTPS on port 443 or custom port) is reachable from network locations where the check is being performed. Attempt to reach the login page via browser or curl/wget.Affected if The web interface is exposed and reachable.
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Verify authentication is enabled for the web interfaceCheck the appliance's security settings to confirm that authentication is required for web interface access. Look for settings under Security, Access Control, or Authentication configuration menus.Affected if Authentication is enabled (which is the default and expected state, but confirms the attack vector exists).
You are affected if you are running FireEye EX 5500, EX 8500, or EX 3500 with firmware version exactly 9.0.3.936727 and the web interface is accessible with authentication enabled.
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.
From vendor dataImplement robust input validation and output encoding for the 'type' and 's_f_name' parameters. Apply Content Security Policy (CSP) headers and consider implementing anti-CSRF tokens to further protect session integrity.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-0317 — 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-2024-0317 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
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