CVE-2006-7107: PHP remote file inclusion vulnerability in upgrade.php in Coalescent Systems freePBX 2.1.3 allows remote attac

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HIGH 7.5DOWNGRADE

CVE-2006-7107 is a high-severity flaw (CVSS 7.5) affecting freepbx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in upgrade.php in Coalescent Systems freePBX 2.1.3 allows remote attackers to execute arbitrary PHP code via a URL in the amp_conf[AMPWEBROOT] parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.3% (top 16%)
CISA exploited list	No
Published	2007-03-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: coalescent systems

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

Am I affected?

Timeline

2007-03-03 21:19 UTCPublished CVE record published
2026-06-16 22:34 UTCUpdated Record last modified

coalescent systems freepbx DOWNGRADE

Affected: 2.1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1.3 (Debian / Ubuntu)

apt-cache madison freepbx sudo apt install freepbx=<VERSION_BEFORE_2.1.3> sudo apt-mark hold freepbx

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

dnf --showduplicates list freepbx sudo dnf downgrade freepbx-<VERSION_BEFORE_2.1.3> sudo dnf versionlock add freepbx

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: FreePBX 2.1.3 - 'upgrade.php' 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-2006-7107?

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

Is CVE-2006-7107 being exploited?

CVE-2006-7107 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-2006-7107 affect?

CVE-2006-7107 affects freepbx. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in upgrade.php in Coalescent Systems freePBX 2.1.3 allows remote attackers to execute arbitrary PHP code via a URL in the amp_conf[AMPWEBROOT] parameter.

How urgent is CVE-2006-7107?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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