CVE-2024-36359
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 · uneditedA cross-site scripting (XSS) vulnerability in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 could allow an attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
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 confidenceThis is a stored or reflected cross-site scripting (XSS) vulnerability in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) version 6.5. The vulnerability allows an attacker with existing low-privileged access to inject malicious scripts that can be executed in the context of higher-privileged user sessions, potentially leading to privilege escalation. The XSS likely exists in a web interface field that does not properly sanitize user input before rendering it back to the browser.
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= 6.5CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/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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Verify IWSVA versionAccess the appliance management console or run the command: cat /usr/iwss/VirtualAppliance/build (or check the web UI footer/version page). Confirm the exact version number matches 6.5.Affected if The installed version is exactly 6.5.
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Identify web interface input fieldsLog into the IWSVA web console with a low-privilege user account. Navigate through common input forms such as policy configuration, user management, reporting settings, or URL filtering rules. Look for fields where user-supplied data is rendered back without visible encoding.Affected if Any web interface field accepts and reflects HTML/JavaScript characters (such as <script>alert(1)</script>) back to the browser without sanitization.
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Test for stored XSS persistenceSubmit malicious script content (e.g., <script>alert('XSS')</script>) in a web input field, then log out. Log in as a different or higher-privileged user and navigate to the same area where the data is displayed.Affected if The injected script executes when viewed by another user, indicating stored XSS.
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Check session cookie attributesUsing browser developer tools (Application tab > Cookies), inspect the session cookies used by the IWSVA web interface. Verify whether the HttpOnly and Secure flags are set.Affected if Session cookies lack HttpOnly or Secure flags, making them accessible to JavaScript and susceptible to theft via XSS.
A user is affected if they run IWSVA version 6.5 and observe that web interface input fields reflect unsanitized HTML/JavaScript or if session cookies lack HttpOnly/Secure flags.
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 dataApply the vendor patch for CVE-2024-36359 when available. In the interim, implement input validation and output encoding on all user-supplied data in the web interface, and restrict administrative session cookies to HttpOnly and Secure flags to limit XSS impact.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-36359 — 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-2024-36359 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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- Version or environment caveats, and links to real fixes
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