CVE-2024-0317: Cross-Site Scripting in FireEye EX, affecting version 9.0.3.936727

Routine

MEDIUM 5.4MITIGATEMITIGATEMITIGATE

CVE-2024-0317 is a medium-severity flaw (CVSS 5.4) affecting ex 5500 firmwarea, ex 8500 firmware, ex 3500 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-01-15
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: fireeye

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-15 17:15 UTCPublished CVE record published
2026-06-17 06:53 UTCUpdated Record last modified

fireeye ex 5500 firmwarea MITIGATE

Affected: 9.0.3.936727

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0.3.936727

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fireeye ex 8500 firmware MITIGATE

Affected: 9.0.3.936727

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0.3.936727

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fireeye ex 3500 firmware MITIGATE

Affected: 9.0.3.936727

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0.3.936727

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-0317?

ex 5500 firmwarea: mitigate or apply the listed mitigation; ex 8500 firmware: mitigate or apply the listed mitigation; ex 3500 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-0317 being exploited?

CVE-2024-0317 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-0317 affect?

CVE-2024-0317 affects ex 5500 firmwarea, ex 8500 firmware, ex 3500 firmware. Severity is medium (CVSS 5.4). Cross-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 re

How urgent is CVE-2024-0317?

Priority 25/100. No elevated risk signals yet.

References

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