CVE-2003-1380: Directory traversal vulnerability in BisonFTP Server 4 release 2 allows remote attackers to (1) list directori

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HIGH 7.5MITIGATE

CVE-2003-1380 is a high-severity flaw (CVSS 7.5) affecting bisonftp server 4. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in BisonFTP Server 4 release 2 allows remote attackers to (1) list directories above the root via an 'ls @../' command, or (2) list files above the root via a "mget @../FILE" command.

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	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-22
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bisonftp

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:04 UTCUpdated Record last modified

bisonftp bisonftp server 4 MITIGATE

Affected: r2

Fixed in: no fixed release known

Safe to downgrade to: a release before r2

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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-2003-1380?

bisonftp server 4: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-1380 being exploited?

CVE-2003-1380 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-2003-1380 affect?

CVE-2003-1380 affects bisonftp server 4. Severity is high (CVSS 7.5). Directory traversal vulnerability in BisonFTP Server 4 release 2 allows remote attackers to (1) list directories above the root via an 'ls @../' command, or (2) list files above the root via a "mget @../FILE" command.

How urgent is CVE-2003-1380?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2003-1416 MEDIUM 4.3 MITIGATE BisonFTP Server 4 release 2 allows remote attackers to cause a denial of service (CPU consumption) via a long

References

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