CVE-2005-1240: Directory traversal vulnerability in the third party tool from Castlehill, as used to secure the iSeries AS/40

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HIGH 7.5MITIGATE

CVE-2005-1240 is a high-severity flaw (CVSS 7.5) affecting secure net. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the third party tool from Castlehill, as used to secure the iSeries AS/400 FTP server, allows remote attackers to access arbitrary files, including those from qsys.lib, via ".." sequences in a GET request.

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	1.9% (top 21%)
CISA exploited list	No
Published	2005-04-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: castlehill

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

Am I affected?

Timeline

2005-04-20 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

castlehill secure net MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy secure-net || rpm -q secure-net || secure-net --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2005-1240?

secure net: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-1240 being exploited?

CVE-2005-1240 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-2005-1240 affect?

CVE-2005-1240 affects secure net. Severity is high (CVSS 7.5). Directory traversal vulnerability in the third party tool from Castlehill, as used to secure the iSeries AS/400 FTP server, allows remote attackers to access arbitrary files, including those from qsys.lib, via ".." sequences in a GET reques

How urgent is CVE-2005-1240?

Priority 51/100. High severity; Public exploit reference

References

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