CVE-2004-0665: csFAQ.cgi in csFAQ allows remote attackers to gain sensitive information via an invalid database parameter, wh

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MEDIUM 5.0DOWNGRADE

CVE-2004-0665 is a medium-severity flaw (CVSS 5.0) affecting csfaq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

csFAQ.cgi in csFAQ allows remote attackers to gain sensitive information via an invalid database parameter, which reveals the path to the web server in an error message.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Published	2004-08-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cgiscript.net

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

Am I affected?

Timeline

2004-08-06 04:00 UTCPublished CVE record published
2026-06-16 22:06 UTCUpdated Record last modified

cgiscript.net csfaq DOWNGRADE

Affected: all versions · 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy csfaq || rpm -q csfaq || csfaq --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison csfaq sudo apt install csfaq=<VERSION_BEFORE_1.0> sudo apt-mark hold csfaq

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

dnf --showduplicates list csfaq sudo dnf downgrade csfaq-<VERSION_BEFORE_1.0> sudo dnf versionlock add csfaq

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: CGIScript.net CSFAQ 1.0 Script - Full Path Disclosure

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-2004-0665?

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

Is CVE-2004-0665 being exploited?

CVE-2004-0665 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-2004-0665 affect?

CVE-2004-0665 affects csfaq. Severity is medium (CVSS 5.0). csFAQ.cgi in csFAQ allows remote attackers to gain sensitive information via an invalid database parameter, which reveals the path to the web server in an error message.

How urgent is CVE-2004-0665?

Priority 44/100. Public exploit reference

References

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