CVE-2004-2044: PHP-Nuke 7.3, and other products that use the PHP-Nuke codebase such as the Nuke Cops betaNC PHP-Nuke Bundle,

This week

HIGH 7.5WATCHLISTDOWNGRADEDOWNGRADEDOWNGRADE

CVE-2004-2044 is a high-severity flaw (CVSS 7.5) affecting php-nuke, osc2nuke, betanc php-nuke. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP-Nuke 7.3, and other products that use the PHP-Nuke codebase such as the Nuke Cops betaNC PHP-Nuke Bundle, OSCNukeLite 3.1, and OSC2Nuke 7x do not properly use the eregi() PHP function with $_SERVER['PHP_SELF'] to identify the calling script, which allows remote attackers to directly access scripts, obtain path information via a PHP error message, and possibly gain access, as demonstrated using an HTTP request that contains the "admin.php" str

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference
On your watchlist

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	11.0% (top 4%)
CISA exploited list	No
Published	2004-06-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: francisco burzi · oscommerce · paul laudanski · trustix

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

Am I affected?

Timeline

2004-06-01 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

francisco burzi php-nuke DOWNGRADE

Affected: 5.0 · 5.0.1 · 5.1 · 5.2 · 5.2a · 5.3.1 · 5.4 · 5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy php-nuke || rpm -q php-nuke || php-nuke --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison php-nuke sudo apt install php-nuke=<VERSION_BEFORE_5.0> sudo apt-mark hold php-nuke

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

dnf --showduplicates list php-nuke sudo dnf downgrade php-nuke-<VERSION_BEFORE_5.0> sudo dnf versionlock add php-nuke

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.

oscommerce osc2nuke DOWNGRADE

Affected: 7x_1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7x_1.0

1. Check installed version

apt-cache policy osc2nuke || rpm -q osc2nuke || osc2nuke --version

2. No fixed release: DOWNGRADE to a release before 7x_1.0 (Debian / Ubuntu)

apt-cache madison osc2nuke sudo apt install osc2nuke=<VERSION_BEFORE_7x_1.0> sudo apt-mark hold osc2nuke

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

dnf --showduplicates list osc2nuke sudo dnf downgrade osc2nuke-<VERSION_BEFORE_7x_1.0> sudo dnf versionlock add osc2nuke

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.

paul laudanski betanc php-nuke DOWNGRADE

Affected: bundle

Fixed in: no fixed release known

Safe to downgrade to: a release before bundle

1. Check installed version

apt-cache policy betanc-php-nuke || rpm -q betanc-php-nuke || betanc-php-nuke --version

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

apt-cache madison betanc-php-nuke sudo apt install betanc-php-nuke=<VERSION_BEFORE_bundle> sudo apt-mark hold betanc-php-nuke

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

dnf --showduplicates list betanc-php-nuke sudo dnf downgrade betanc-php-nuke-<VERSION_BEFORE_bundle> sudo dnf versionlock add betanc-php-nuke

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.

trustix secure linux MITIGATE

Affected: 2.0 · 2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

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.

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: PHP-Nuke 5.x/6.x/7.x - Direct Script Access Security Bypass

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-2004-2044?

php-nuke: downgrade or apply the listed mitigation; osc2nuke: downgrade or apply the listed mitigation; betanc php-nuke: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2044 being exploited?

CVE-2004-2044 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-2004-2044 affect?

CVE-2004-2044 affects php-nuke, osc2nuke, betanc php-nuke. Severity is high (CVSS 7.5). PHP-Nuke 7.3, and other products that use the PHP-Nuke codebase such as the Nuke Cops betaNC PHP-Nuke Bundle, OSCNukeLite 3.1, and OSC2Nuke 7x do not properly use the eregi() PHP function with $_SERVER['PHP_SELF'] to identify the calling sc

How urgent is CVE-2004-2044?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference; On your watchlist

Software pages

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References

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