CVE-2005-1371: BPFTPServer service in BulletProof FTP Server 2.4.0.31 does not properly drop privileges before opening files

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HIGH 7.2DOWNGRADE

CVE-2005-1371 is a high-severity flaw (CVSS 7.2) affecting bulletproof ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BPFTPServer service in BulletProof FTP Server 2.4.0.31 does not properly drop privileges before opening files through the Help menu, which allows local users to gain privileges.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Published	2005-05-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bulletproof

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

Am I affected?

Timeline

2005-05-03 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

bulletproof bulletproof ftp server DOWNGRADE

Affected: 2.4.0.31

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.0.31

1. Check installed version

apt-cache policy bulletproof-ftp-server || rpm -q bulletproof-ftp-server || bulletproof-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 2.4.0.31 (Debian / Ubuntu)

apt-cache madison bulletproof-ftp-server sudo apt install bulletproof-ftp-server=<VERSION_BEFORE_2.4.0.31> sudo apt-mark hold bulletproof-ftp-server

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

dnf --showduplicates list bulletproof-ftp-server sudo dnf downgrade bulletproof-ftp-server-<VERSION_BEFORE_2.4.0.31> sudo dnf versionlock add bulletproof-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: BulletProof FTP Server 2.4.0.31 - Local Privilege Escalation

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-2005-1371?

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

Is CVE-2005-1371 being exploited?

CVE-2005-1371 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-2005-1371 affect?

CVE-2005-1371 affects bulletproof ftp server. Severity is high (CVSS 7.2). BPFTPServer service in BulletProof FTP Server 2.4.0.31 does not properly drop privileges before opening files through the Help menu, which allows local users to gain privileges.

How urgent is CVE-2005-1371?

Priority 46/100. High severity; Public exploit reference

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References

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