CVE-2004-1601: Directory traversal vulnerability in index.php in CoolPHP 1.0-stable allows remote attackers to access arbitra

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HIGH 7.5DOWNGRADE

CVE-2004-1601 is a high-severity flaw (CVSS 7.5) affecting coolphp web portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in index.php in CoolPHP 1.0-stable allows remote attackers to access arbitrary files and execute local PHP scripts via a .. (dot dot) in the op parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2004-10-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: coolphp

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

Am I affected?

Timeline

2004-10-16 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

coolphp coolphp web portal DOWNGRADE

Affected: 1.0_stable

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0_stable

1. Check installed version

apt-cache policy coolphp-web-portal || rpm -q coolphp-web-portal || coolphp-web-portal --version

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

apt-cache madison coolphp-web-portal sudo apt install coolphp-web-portal=<VERSION_BEFORE_1.0_stable> sudo apt-mark hold coolphp-web-portal

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

dnf --showduplicates list coolphp-web-portal sudo dnf downgrade coolphp-web-portal-<VERSION_BEFORE_1.0_stable> sudo dnf versionlock add coolphp-web-portal

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: CoolPHP 1.0 - Multiple Remote Input Validation Vulnerabilities

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-2004-1601?

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

Is CVE-2004-1601 being exploited?

CVE-2004-1601 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-2004-1601 affect?

CVE-2004-1601 affects coolphp web portal. Severity is high (CVSS 7.5). Directory traversal vulnerability in index.php in CoolPHP 1.0-stable allows remote attackers to access arbitrary files and execute local PHP scripts via a .. (dot dot) in the op parameter.

How urgent is CVE-2004-1601?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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