CVE-2002-2387: Directory traversal vulnerability in Hyperion FTP server 2.8.1 allows remote attackers to read arbitrary files

Routine

MEDIUM 5.0DOWNGRADE

CVE-2002-2387 is a medium-severity flaw (CVSS 5.0) affecting hyperion ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Hyperion FTP server 2.8.1 allows remote attackers to read arbitrary files via a .. (dot dot) in the LS command.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-22
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mollensoft software

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

mollensoft software hyperion ftp server DOWNGRADE

Affected: 2.8.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.8.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.8.1 (Debian / Ubuntu)

apt-cache madison hyperion-ftp-server sudo apt install hyperion-ftp-server=<VERSION_BEFORE_2.8.1> sudo apt-mark hold hyperion-ftp-server

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

dnf --showduplicates list hyperion-ftp-server sudo dnf downgrade hyperion-ftp-server-<VERSION_BEFORE_2.8.1> sudo dnf versionlock add hyperion-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-2002-2387?

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

Is CVE-2002-2387 being exploited?

CVE-2002-2387 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-2002-2387 affect?

CVE-2002-2387 affects hyperion ftp server. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Hyperion FTP server 2.8.1 allows remote attackers to read arbitrary files via a .. (dot dot) in the LS command.

How urgent is CVE-2002-2387?

Priority 36/100. No elevated risk signals yet.

References

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