CVE-2004-1582: PHP remote file inclusion vulnerability in BlackBoard 1.5.1 allows remote attackers to execute arbitrary PHP c

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HIGH 7.5DOWNGRADE

CVE-2004-1582 is a high-severity flaw (CVSS 7.5) affecting blackboard internet newsboard system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in BlackBoard 1.5.1 allows remote attackers to execute arbitrary PHP code by modifying the libpath parameter (incorrectly called "libpach") to reference a URL on a remote web server that contains _more.php, as demonstrated using checkdb.inc.php.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: blackboard internet newsboard system

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

blackboard internet newsboard system blackboard internet newsboard system DOWNGRADE

Affected: 1.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.1

1. Check installed version

apt-cache policy blackboard-internet-newsboard-system || rpm -q blackboard-internet-newsboard-system || blackboard-internet-newsboard-system --version

2. No fixed release: DOWNGRADE to a release before 1.5.1 (Debian / Ubuntu)

apt-cache madison blackboard-internet-newsboard-system sudo apt install blackboard-internet-newsboard-system=<VERSION_BEFORE_1.5.1> sudo apt-mark hold blackboard-internet-newsboard-system

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

dnf --showduplicates list blackboard-internet-newsboard-system sudo dnf downgrade blackboard-internet-newsboard-system-<VERSION_BEFORE_1.5.1> sudo dnf versionlock add blackboard-internet-newsboard-system

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.

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-2004-1582?

blackboard internet newsboard system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1582 being exploited?

CVE-2004-1582 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-2004-1582 affect?

CVE-2004-1582 affects blackboard internet newsboard system. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in BlackBoard 1.5.1 allows remote attackers to execute arbitrary PHP code by modifying the libpath parameter (incorrectly called "libpach") to reference a URL on a remote web server that contains _mor

How urgent is CVE-2004-1582?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

References

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