CVE-2007-0821: Multiple directory traversal vulnerabilities in Cedric CLAIRE PortailPhp 2 allow remote attackers to read arbi

This month

MEDIUM 5.0DOWNGRADE

CVE-2007-0821 is a medium-severity flaw (CVSS 5.0) affecting claire portailphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in Cedric CLAIRE PortailPhp 2 allow remote attackers to read arbitrary files via a .. (dot dot) in the chemin parameter to (1) mod_news/index.php or (2) mod_news/goodies.php. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.

Why this priority

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	5.0 (Medium)
EPSS exploit chance	7.6% (top 5%)
CISA exploited list	No
Published	2007-02-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cedric

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

Am I affected?

Timeline

2007-02-07 20:28 UTCPublished CVE record published
2026-06-16 22:36 UTCUpdated Record last modified

cedric claire portailphp DOWNGRADE

Affected: 2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2

1. Check installed version

apt-cache policy claire-portailphp || rpm -q claire-portailphp || claire-portailphp --version

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

apt-cache madison claire-portailphp sudo apt install claire-portailphp=<VERSION_BEFORE_2> sudo apt-mark hold claire-portailphp

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

dnf --showduplicates list claire-portailphp sudo dnf downgrade claire-portailphp-<VERSION_BEFORE_2> sudo dnf versionlock add claire-portailphp

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: PortailPHP 2 - '/mod_news/goodies.php?chemin' Traversal Arbitrary File Access
Exploit-DB: PortailPHP 2 - '/mod_news/index.php?chemin' Traversal Arbitrary File Access

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-2007-0821?

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

Is CVE-2007-0821 being exploited?

CVE-2007-0821 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-2007-0821 affect?

CVE-2007-0821 affects claire portailphp. Severity is medium (CVSS 5.0). Multiple directory traversal vulnerabilities in Cedric CLAIRE PortailPhp 2 allow remote attackers to read arbitrary files via a .. (dot dot) in the chemin parameter to (1) mod_news/index.php or (2) mod_news/goodies.php. NOTE: The provenanc

How urgent is CVE-2007-0821?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-0820 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in Cedric CLAIRE PortailPhp 2 allow remote attackers to exe

References

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