CVE-2006-6244: Coalescent Systems freePBX (formerly Asterisk Management Portal) before 2.2.0rc1 allows attackers to execute a

Q: How do I fix CVE-2006-6244?

freepbx: upgrade to newer than 2.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2006-6244 being exploited?

CVE-2006-6244 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-6244 affect?

CVE-2006-6244 affects freepbx. Severity is high (CVSS 7.5). Coalescent Systems freePBX (formerly Asterisk Management Portal) before 2.2.0rc1 allows attackers to execute arbitrary commands via shell metacharacters in (1) CALLERID(name) or (2) CALLERID(number).

This month

HIGH 7.5UPGRADE

CVE-2006-6244 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.

Coalescent Systems freePBX (formerly Asterisk Management Portal) before 2.2.0rc1 allows attackers to execute arbitrary commands via shell metacharacters in (1) CALLERID(name) or (2) CALLERID(number).

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2006-12-04
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

2006-12-04 11:28 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

coalescent systems freepbx UPGRADE

Affected: <= 2.1.3

Fixed in: newer than 2.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade freepbx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freepbx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-6244?

freepbx: upgrade to newer than 2.1.3. Exact commands for each OS are on this page.

Is CVE-2006-6244 being exploited?

CVE-2006-6244 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-2006-6244 affect?

CVE-2006-6244 affects freepbx. Severity is high (CVSS 7.5). Coalescent Systems freePBX (formerly Asterisk Management Portal) before 2.2.0rc1 allows attackers to execute arbitrary commands via shell metacharacters in (1) CALLERID(name) or (2) CALLERID(number).

How urgent is CVE-2006-6244?

Priority 46/100. High severity

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CVE-2026-45562 HIGH 7.2 UPGRADE FreePBX is an open source IP PBX
CVE-2026-54674 HIGH 8.8 UPGRADE FreePBX is an open source IP PBX
CVE-2026-54675 HIGH 8.8 UPGRADE FreePBX is an open source IP PBX
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References

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