CVE-2009-2639: SQL injection vulnerability in admin.php in MRCGIGUY The Ticket System 2.0 allows remote attackers to execute

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HIGH 7.5DOWNGRADE

CVE-2009-2639 is a high-severity flaw (CVSS 7.5) affecting the ticket system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in admin.php in MRCGIGUY The Ticket System 2.0 allows remote attackers to execute arbitrary SQL commands via the id parameter in a viewticket action.

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	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-07-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mrcgiguy

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

Am I affected?

Timeline

2009-07-28 19:30 UTCPublished CVE record published
2026-06-16 23:09 UTCUpdated Record last modified

mrcgiguy the ticket system DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy the-ticket-system || rpm -q the-ticket-system || the-ticket-system --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison the-ticket-system sudo apt install the-ticket-system=<VERSION_BEFORE_2.0> sudo apt-mark hold the-ticket-system

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

dnf --showduplicates list the-ticket-system sudo dnf downgrade the-ticket-system-<VERSION_BEFORE_2.0> sudo dnf versionlock add the-ticket-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: mrcgiguy the ticket system 2.0 PHP - Multiple Vulnerabilities

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-2009-2639?

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

Is CVE-2009-2639 being exploited?

CVE-2009-2639 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-2009-2639 affect?

CVE-2009-2639 affects the ticket system. Severity is high (CVSS 7.5). SQL injection vulnerability in admin.php in MRCGIGUY The Ticket System 2.0 allows remote attackers to execute arbitrary SQL commands via the id parameter in a viewticket action.

How urgent is CVE-2009-2639?

Priority 46/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-2080 HIGH 7.5 DOWNGRADE admin.php in MRCGIGUY The Ticket System 2.0 does not properly restrict access, which allows remote attackers t

References

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