CVE-2002-0405: Buffer overflow in Transsoft Broker FTP Server 5.0 evaluation allows remote attackers to cause a denial of ser

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HIGH 10.0DOWNGRADE

CVE-2002-0405 is a high-severity flaw (CVSS 10.0) affecting broker ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Transsoft Broker FTP Server 5.0 evaluation allows remote attackers to cause a denial of service and possibly execute arbitrary code via a CWD command with a large number of . (dot) characters.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	5.3% (top 7%)
CISA exploited list	No
Published	2002-07-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: transsoft

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

Am I affected?

Timeline

2002-07-26 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

transsoft broker ftp server DOWNGRADE

Affected: 5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison broker-ftp-server sudo apt install broker-ftp-server=<VERSION_BEFORE_5.0> sudo apt-mark hold broker-ftp-server

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

dnf --showduplicates list broker-ftp-server sudo dnf downgrade broker-ftp-server-<VERSION_BEFORE_5.0> sudo dnf versionlock add broker-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.

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-2002-0405?

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

Is CVE-2002-0405 being exploited?

CVE-2002-0405 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-2002-0405 affect?

CVE-2002-0405 affects broker ftp server. Severity is high (CVSS 10.0). Buffer overflow in Transsoft Broker FTP Server 5.0 evaluation allows remote attackers to cause a denial of service and possibly execute arbitrary code via a CWD command with a large number of . (dot) characters.

How urgent is CVE-2002-0405?

Priority 58/100. Critical severity; EPSS top 7%: very likely to be exploited

Related CVEs

CVE-2004-0296 MEDIUM 5.0 DOWNGRADE TsFtpSrv.exe in Broker FTP 6.1.0.0 allows remote attackers to cause a TsFtpSrv.exe to exit with an exception b
CVE-2004-0295 MEDIUM 5.0 DOWNGRADE TsFtpSrv.exe in Broker FTP 6.1.0.0 allows remote attackers to cause a denial of service (CPU consumption) via
CVE-2001-1042 HIGH 7.5 DOWNGRADE Transsoft Broker 5.9.5.0 allows remote attackers to read arbitrary files and directories by uploading a .lnk (
CVE-2001-0688 MEDIUM 5.0 DOWNGRADE Broker FTP Server 5.9.5.0 allows a remote attacker to cause a denial of service by repeatedly issuing an inval
CVE-2001-0687 MEDIUM 5.0 UPGRADE Broker FTP server 5.9.5 for Windows NT and 9x allows a remote attacker to retrieve privileged web server syste

References

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