CVE-2004-0405: CVS before 1.11 allows CVS clients to read arbitrary files via .

Q: How do I fix CVE-2004-0405?

cvs: upgrade to newer than 1.10. Exact commands for each OS are on this page.

Q: Is CVE-2004-0405 being exploited?

CVE-2004-0405 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2004-0405 affect?

CVE-2004-0405 affects cvs. Severity is medium (CVSS 5.0). CVS before 1.11 allows CVS clients to read arbitrary files via .. (dot dot) sequences in filenames via CVS client requests, a different vulnerability than CVE-2004-0180.

Q: How urgent is CVE-2004-0405?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2004-0405 is a medium-severity flaw (CVSS 5.0) affecting cvs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CVS before 1.11 allows CVS clients to read arbitrary files via .. (dot dot) sequences in filenames via CVS client requests, a different vulnerability than CVE-2004-0180.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2004-06-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cvs

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

Am I affected?

Timeline

2004-06-01 04:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

cvs cvs UPGRADE

Affected: <= 1.10

Fixed in: newer than 1.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cvs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cvs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2004-0405?

cvs: upgrade to newer than 1.10. Exact commands for each OS are on this page.

Is CVE-2004-0405 being exploited?

CVE-2004-0405 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-2004-0405 affect?

CVE-2004-0405 affects cvs. Severity is medium (CVSS 5.0). CVS before 1.11 allows CVS clients to read arbitrary files via .. (dot dot) sequences in filenames via CVS client requests, a different vulnerability than CVE-2004-0180.

How urgent is CVE-2004-0405?

Priority 38/100. No elevated risk signals yet.

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References

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