CVE-2004-1838: Directory traversal vulnerability in xweb 1.0 allows remote attackers to download arbitrary files via a .

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MEDIUM 5.0DOWNGRADE

CVE-2004-1838 is a medium-severity flaw (CVSS 5.0) affecting xweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in xweb 1.0 allows remote attackers to download arbitrary files via a .. (dot dot) in the URL.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Published	2004-03-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xweb

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

Am I affected?

Timeline

2004-03-22 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

xweb xweb DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy xweb || rpm -q xweb || xweb --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison xweb sudo apt install xweb=<VERSION_BEFORE_1.0> sudo apt-mark hold xweb

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

dnf --showduplicates list xweb sudo dnf downgrade xweb-<VERSION_BEFORE_1.0> sudo dnf versionlock add xweb

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: xweb 1.0 - Directory Traversal

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-2004-1838?

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

Is CVE-2004-1838 being exploited?

CVE-2004-1838 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-2004-1838 affect?

CVE-2004-1838 affects xweb. Severity is medium (CVSS 5.0). Directory traversal vulnerability in xweb 1.0 allows remote attackers to download arbitrary files via a .. (dot dot) in the URL.

How urgent is CVE-2004-1838?

Priority 45/100. Public exploit reference

References

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