CVE-2001-0263: Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows attackers to read file attributes outside of the web ro

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HIGH 7.5DOWNGRADE

CVE-2001-0263 is a high-severity flaw (CVSS 7.5) affecting g6 ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows attackers to read file attributes outside of the web root via the (1) SIZE and (2) MDTM commands when the "show relative paths" option is not enabled.

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	2.4% (top 16%)
CISA exploited list	No
Published	2001-06-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gene6

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

Am I affected?

Timeline

2001-06-18 04:00 UTCPublished CVE record published
2026-06-16 21:53 UTCUpdated Record last modified

gene6 g6 ftp server 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 g6-ftp-server || rpm -q g6-ftp-server || g6-ftp-server --version

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

apt-cache madison g6-ftp-server sudo apt install g6-ftp-server=<VERSION_BEFORE_2.0> sudo apt-mark hold g6-ftp-server

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

dnf --showduplicates list g6-ftp-server sudo dnf downgrade g6-ftp-server-<VERSION_BEFORE_2.0> sudo dnf versionlock add g6-ftp-server

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: Gene6 BPFTP Server 2.0 - File Existence Disclosure

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-2001-0263?

g6 ftp server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2001-0263 being exploited?

CVE-2001-0263 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-2001-0263 affect?

CVE-2001-0263 affects g6 ftp server. Severity is high (CVSS 7.5). Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows attackers to read file attributes outside of the web root via the (1) SIZE and (2) MDTM commands when the "show relative paths" option is not enabled.

How urgent is CVE-2001-0263?

Priority 52/100. High severity; Public exploit reference

Related CVEs

CVE-2006-2172 HIGH 7.5 DOWNGRADE Buffer overflow in Gene6 FTP Server 3.1.0 allows remote authenticated attackers to cause a denial of service (
CVE-2005-0690 LOW 2.1 DOWNGRADE Gene6 FTP Server does not properly restrict access to the control console, which allows local users to modify
CVE-2001-0264 MEDIUM 5.0 DOWNGRADE Gene6 G6 FTP Server 2.0 (aka BPFTP Server 2.10) allows remote attackers to obtain NETBIOS credentials by reque

References

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