CVE-2007-6550: form.php in PMOS Help Desk 2.4 and earlier sends a redirect to the web browser but does not exit, which allows

Q: How do I fix CVE-2007-6550?

pmos helpdesk: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Q: Is CVE-2007-6550 being exploited?

CVE-2007-6550 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-2007-6550 affect?

CVE-2007-6550 affects pmos helpdesk. Severity is high (CVSS 7.5). form.php in PMOS Help Desk 2.4 and earlier sends a redirect to the web browser but does not exit, which allows remote attackers to conduct eval injection attacks and execute arbitrary PHP code via the options array parameter.

Q: How urgent is CVE-2007-6550?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2007-6550 is a high-severity flaw (CVSS 7.5) affecting pmos helpdesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

form.php in PMOS Help Desk 2.4 and earlier sends a redirect to the web browser but does not exit, which allows remote attackers to conduct eval injection attacks and execute arbitrary PHP code via the options array parameter.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	6.8% (top 6%)
CISA exploited list	No
Weakness	CWE-94
Published	2007-12-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pmos helpdesk

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

Am I affected?

Timeline

2007-12-28 00:46 UTCPublished CVE record published
2026-06-16 22:48 UTCUpdated Record last modified

pmos helpdesk pmos helpdesk UPGRADE

Affected: <= 2.4

Fixed in: newer than 2.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pmos-helpdesk || rpm -q pmos-helpdesk || pmos-helpdesk --version

2. UPGRADE to newer than 2.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pmos-helpdesk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pmos-helpdesk

Note

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

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: PMOS Help Desk 2.4 - Remote Command Execution

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-2007-6550?

pmos helpdesk: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Is CVE-2007-6550 being exploited?

CVE-2007-6550 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-2007-6550 affect?

CVE-2007-6550 affects pmos helpdesk. Severity is high (CVSS 7.5). form.php in PMOS Help Desk 2.4 and earlier sends a redirect to the web browser but does not exit, which allows remote attackers to conduct eval injection attacks and execute arbitrary PHP code via the options array parameter.

How urgent is CVE-2007-6550?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-6158 MEDIUM 6.8 DOWNGRADE DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in (a) PMOS Help Desk 2.4, formerly (b) InverseFlow Help D

References

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