CVE-2007-0684: PHP remote file inclusion vulnerability in portal.php in Cerulean Portal System 0.7b allows remote attackers t

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HIGH 7.5DOWNGRADE

CVE-2007-0684 is a high-severity flaw (CVSS 7.5) affecting cerulean portal 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 portal.php in Cerulean Portal System 0.7b allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

Why this priority

High severity
EPSS top 5%: 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	8.6% (top 5%)
CISA exploited list	No
Published	2007-02-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cerulean portal system

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

Am I affected?

Timeline

2007-02-03 01:28 UTCPublished CVE record published
2026-06-16 22:36 UTCUpdated Record last modified

cerulean portal system cerulean portal system DOWNGRADE

Affected: 0.7b

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7b

1. Check installed version

apt-cache policy cerulean-portal-system || rpm -q cerulean-portal-system || cerulean-portal-system --version

2. No fixed release: DOWNGRADE to a release before 0.7b (Debian / Ubuntu)

apt-cache madison cerulean-portal-system sudo apt install cerulean-portal-system=<VERSION_BEFORE_0.7b> sudo apt-mark hold cerulean-portal-system

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

dnf --showduplicates list cerulean-portal-system sudo dnf downgrade cerulean-portal-system-<VERSION_BEFORE_0.7b> sudo dnf versionlock add cerulean-portal-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.

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: Cerulean Portal System 0.7b - 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-2007-0684?

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

Is CVE-2007-0684 being exploited?

CVE-2007-0684 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-2007-0684 affect?

CVE-2007-0684 affects cerulean portal system. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in portal.php in Cerulean Portal System 0.7b allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

How urgent is CVE-2007-0684?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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