CVE-2006-0100: Buffer overflow in NicoFTP 3.0.1.19 and earlier might allow local users to execute arbitrary code via a long s

Q: How do I fix CVE-2006-0100?

nicoftp: upgrade to newer than 3.0.1.19. Exact commands for each OS are on this page.

Q: Is CVE-2006-0100 being exploited?

CVE-2006-0100 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-2006-0100 affect?

CVE-2006-0100 affects nicoftp. Severity is medium (CVSS 4.6). Buffer overflow in NicoFTP 3.0.1.19 and earlier might allow local users to execute arbitrary code via a long string in the "Name of site" field of an FTP account. NOTE: because this program executes with the privileges of the invoking user

Q: How urgent is CVE-2006-0100?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 4.6UPGRADE

CVE-2006-0100 is a medium-severity flaw (CVSS 4.6) affecting nicoftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in NicoFTP 3.0.1.19 and earlier might allow local users to execute arbitrary code via a long string in the "Name of site" field of an FTP account. NOTE: because this program executes with the privileges of the invoking user, and because remote programs do not normally have the ability to create or modify FTP accounts in this program, there may not be a typical attack vector for the issue that crosses privilege boundaries. Theref

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Published	2006-01-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nicosw

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

Am I affected?

Timeline

2006-01-06 11:03 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

nicosw nicoftp UPGRADE

Affected: <= 3.0.1.19

Fixed in: newer than 3.0.1.19

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.0.1.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nicoftp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nicoftp

Note

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

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-2006-0100?

nicoftp: upgrade to newer than 3.0.1.19. Exact commands for each OS are on this page.

Is CVE-2006-0100 being exploited?

CVE-2006-0100 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-2006-0100 affect?

CVE-2006-0100 affects nicoftp. Severity is medium (CVSS 4.6). Buffer overflow in NicoFTP 3.0.1.19 and earlier might allow local users to execute arbitrary code via a long string in the "Name of site" field of an FTP account. NOTE: because this program executes with the privileges of the invoking user

How urgent is CVE-2006-0100?

Priority 25/100. No elevated risk signals yet.

References

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