CVE-2009-1743: Directory traversal vulnerability in InstallHFZ.exe 6.5.201.0 in Pinnacle Hollywood Effects 6, a module in Pin

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HIGH 9.3DOWNGRADE

CVE-2009-1743 is a high-severity flaw (CVSS 9.3) affecting pinnacle studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in InstallHFZ.exe 6.5.201.0 in Pinnacle Hollywood Effects 6, a module in Pinnacle Systems Pinnacle Studio 12, allows remote attackers to create and overwrite arbitrary files via a filename containing a ..\ (dot dot backslash) sequence in a Hollywood FX Compressed Archive (.hfz) file. NOTE: this can be leveraged for code execution by decompressing a file to a Startup folder. NOTE: some of these details are obtai

Why this priority

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

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	6.2% (top 6%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-05-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pinnaclesys

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

Am I affected?

Timeline

2009-05-21 00:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

pinnaclesys pinnacle studio DOWNGRADE

Affected: 12

Fixed in: no fixed release known

Safe to downgrade to: a release before 12

1. Check installed version

apt-cache policy pinnacle-studio || rpm -q pinnacle-studio || pinnacle-studio --version

2. No fixed release: DOWNGRADE to a release before 12 (Debian / Ubuntu)

apt-cache madison pinnacle-studio sudo apt install pinnacle-studio=<VERSION_BEFORE_12> sudo apt-mark hold pinnacle-studio

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

dnf --showduplicates list pinnacle-studio sudo dnf downgrade pinnacle-studio-<VERSION_BEFORE_12> sudo dnf versionlock add pinnacle-studio

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: Pinnacle Studio 12 - '.hfz' Directory Traversal

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-2009-1743?

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

Is CVE-2009-1743 being exploited?

CVE-2009-1743 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-2009-1743 affect?

CVE-2009-1743 affects pinnacle studio. Severity is high (CVSS 9.3). Directory traversal vulnerability in InstallHFZ.exe 6.5.201.0 in Pinnacle Hollywood Effects 6, a module in Pinnacle Systems Pinnacle Studio 12, allows remote attackers to create and overwrite arbitrary files via a filename containing a ..\

How urgent is CVE-2009-1743?

Priority 61/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2009-1744 MEDIUM 4.3 DOWNGRADE InstallHFZ.exe 6.5.201.0 in Pinnacle Hollywood Effects 6, a module in Pinnacle Systems Pinnacle Studio 12, all

References

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