CVE-2005-4066: Total Commander 6.53 uses weak encryption to store FTP usernames and passwords in WCX_FTP.INI, which allows lo

Routine

MEDIUM 4.9DOWNGRADE

CVE-2005-4066 is a medium-severity flaw (CVSS 4.9) affecting total commander. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Total Commander 6.53 uses weak encryption to store FTP usernames and passwords in WCX_FTP.INI, which allows local users to decrypt the passwords and gain access to FTP servers, as possibly demonstrated by the W32.Gudeb worm.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.9 (Medium)
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-310
Published	2005-12-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: christian ghisler

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

Am I affected?

Timeline

2005-12-07 11:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

christian ghisler total commander DOWNGRADE

Affected: 6.53

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.53

1. Check installed version

apt-cache policy total-commander || rpm -q total-commander || total-commander --version

2. No fixed release: DOWNGRADE to a release before 6.53 (Debian / Ubuntu)

apt-cache madison total-commander sudo apt install total-commander=<VERSION_BEFORE_6.53> sudo apt-mark hold total-commander

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

dnf --showduplicates list total-commander sudo dnf downgrade total-commander-<VERSION_BEFORE_6.53> sudo dnf versionlock add total-commander

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-2005-4066?

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

Is CVE-2005-4066 being exploited?

CVE-2005-4066 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-2005-4066 affect?

CVE-2005-4066 affects total commander. Severity is medium (CVSS 4.9). Total Commander 6.53 uses weak encryption to store FTP usernames and passwords in WCX_FTP.INI, which allows local users to decrypt the passwords and gain access to FTP servers, as possibly demonstrated by the W32.Gudeb worm.

How urgent is CVE-2005-4066?

Priority 21/100. No elevated risk signals yet.

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References

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