CVE-2008-6424: Directory traversal vulnerability in FFFTP 1.96b allows remote FTP servers to create or overwrite arbitrary fi

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HIGH 8.8DOWNGRADE

CVE-2008-6424 is a high-severity flaw (CVSS 8.8) affecting ffftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in FFFTP 1.96b allows remote FTP servers to create or overwrite arbitrary files via a response to an FTP LIST command with a filename that contains a .. (dot dot).

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-03-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jun sota

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

Am I affected?

Timeline

2009-03-06 18:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

jun sota ffftp DOWNGRADE

Affected: 1.96b

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.96b

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.96b (Debian / Ubuntu)

apt-cache madison ffftp sudo apt install ffftp=<VERSION_BEFORE_1.96b> sudo apt-mark hold ffftp

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

dnf --showduplicates list ffftp sudo dnf downgrade ffftp-<VERSION_BEFORE_1.96b> sudo dnf versionlock add ffftp

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.

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-2008-6424?

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

Is CVE-2008-6424 being exploited?

CVE-2008-6424 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-2008-6424 affect?

CVE-2008-6424 affects ffftp. Severity is high (CVSS 8.8). Directory traversal vulnerability in FFFTP 1.96b allows remote FTP servers to create or overwrite arbitrary files via a response to an FTP LIST command with a filename that contains a .. (dot dot).

How urgent is CVE-2008-6424?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2011-4266 HIGH 9.3 UPGRADE Untrusted search path vulnerability in FFFTP before 1.98d allows local users to gain privileges via a Trojan h
CVE-2011-3991 HIGH 9.3 UPGRADE Untrusted search path vulnerability in FFFTP 1.98a and earlier allows local users to execute arbitrary code vi

References

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