CVE-2002-0451: filemanager_forms.php in PHProjekt 3.1 and 3.1a allows remote attackers to execute arbitrary PHP code by speci

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HIGH 7.5DOWNGRADE

CVE-2002-0451 is a high-severity flaw (CVSS 7.5) affecting phpprojekt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

filemanager_forms.php in PHProjekt 3.1 and 3.1a allows remote attackers to execute arbitrary PHP code by specifying the URL to the code in the lib_path parameter.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.2% (top 6%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpprojekt

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

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

phpprojekt phpprojekt DOWNGRADE

Affected: 3.1 · 3.1a

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.1 (Debian / Ubuntu)

apt-cache madison phpprojekt sudo apt install phpprojekt=<VERSION_BEFORE_3.1> sudo apt-mark hold phpprojekt

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

dnf --showduplicates list phpprojekt sudo dnf downgrade phpprojekt-<VERSION_BEFORE_3.1> sudo dnf versionlock add phpprojekt

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: PHProjekt 3.1 - Remote File Inclusion

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-2002-0451?

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

Is CVE-2002-0451 being exploited?

CVE-2002-0451 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-2002-0451 affect?

CVE-2002-0451 affects phpprojekt. Severity is high (CVSS 7.5). filemanager_forms.php in PHProjekt 3.1 and 3.1a allows remote attackers to execute arbitrary PHP code by specifying the URL to the code in the lib_path parameter.

How urgent is CVE-2002-0451?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-1639 MEDIUM 4.6 DOWNGRADE Unrestricted file upload vulnerability in PHProjekt 5.2.0, when magic_quotes_gpc is disabled, allows remote au
CVE-2007-1638 MEDIUM 6.8 DOWNGRADE Multiple cross-site request forgery (CSRF) vulnerabilities in the check_csrftoken function in lib/lib.inc.php
CVE-2006-4609 MEDIUM 5.1 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in the Content Management module ("Content manager") for PH
CVE-2001-0995 HIGH 7.5 UPGRADE PHProjekt before 2.4a allows remote attackers to perform actions as other PHProjekt users by modifying the ID

References

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