CVE-2002-2318: Cross-site scripting (XSS) vulnerability in Falcon web server 2.0.0.1009 through 2.0.0.1021 allows remote atta

Routine

MEDIUM 4.3DOWNGRADE

CVE-2002-2318 is a medium-severity flaw (CVSS 4.3) affecting falcon web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Falcon web server 2.0.0.1009 through 2.0.0.1021 allows remote attackers to inject arbitrary web script or HTML via the URI, which is inserted into 301 error messages and executed by 404 error messages.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.5% (top 27%)
CISA exploited list	No
Weakness	CWE-79
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: blueface

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

blueface falcon web server DOWNGRADE

Affected: 2.0.0.1009 · 2.0.0.1020 · 2.0.0.1021 · 2.0.0.1021_ssl

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0.1009

1. Check installed version

apt-cache policy falcon-web-server || rpm -q falcon-web-server || falcon-web-server --version

2. No fixed release: DOWNGRADE to a release before 2.0.0.1009 (Debian / Ubuntu)

apt-cache madison falcon-web-server sudo apt install falcon-web-server=<VERSION_BEFORE_2.0.0.1009> sudo apt-mark hold falcon-web-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list falcon-web-server sudo dnf downgrade falcon-web-server-<VERSION_BEFORE_2.0.0.1009> sudo dnf versionlock add falcon-web-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: BlueFace Falcon Web Server 2.0 - Error Message Cross-Site Scripting

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-2002-2318?

falcon web server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-2318 being exploited?

CVE-2002-2318 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-2002-2318 affect?

CVE-2002-2318 affects falcon web server. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Falcon web server 2.0.0.1009 through 2.0.0.1021 allows remote attackers to inject arbitrary web script or HTML via the URI, which is inserted into 301 error messages and executed by 404 error mess

How urgent is CVE-2002-2318?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2002-0899 HIGH 7.5 DOWNGRADE Falcon web server 2.0.0.1021 and earlier allows remote attackers to bypass access restrictions for protected f
CVE-2002-0275 MEDIUM 5.0 DOWNGRADE Falcon web server 2.0.0.1020 and earlier allows remote attackers to bypass authentication and read restricted

References

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