CVE-2004-0148: wu-ftpd 2.6.2 and earlier, with the restricted-gid option enabled, allows local users to bypass access restric

Routine

HIGH 7.2DOWNGRADEDOWNGRADE

CVE-2004-0148 is a high-severity flaw (CVSS 7.2) affecting propack, wu-ftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

wu-ftpd 2.6.2 and earlier, with the restricted-gid option enabled, allows local users to bypass access restrictions by changing the permissions to prevent access to their home directory, which causes wu-ftpd to use the root directory instead.

Why this priority

High severity

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Published	2004-04-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sgi · washington university

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

Am I affected?

Timeline

2004-04-15 04:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

sgi propack DOWNGRADE

Affected: 2.3 · 2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison propack sudo apt install propack=<VERSION_BEFORE_2.3> sudo apt-mark hold propack

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

dnf --showduplicates list propack sudo dnf downgrade propack-<VERSION_BEFORE_2.3> sudo dnf versionlock add propack

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.

washington university wu-ftpd DOWNGRADE

Affected: 2.4.1 · 2.4.2_beta2 · 2.4.2_beta18 · 2.4.2_beta18_vr4 · 2.4.2_beta18_vr5 · 2.4.2_beta18_vr6 · 2.4.2_beta18_vr7 · 2.4.2_beta18_vr8

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.1

1. Check installed version

apt-cache policy wu-ftpd || rpm -q wu-ftpd || wu-ftpd --version

2. No fixed release: DOWNGRADE to a release before 2.4.1 (Debian / Ubuntu)

apt-cache madison wu-ftpd sudo apt install wu-ftpd=<VERSION_BEFORE_2.4.1> sudo apt-mark hold wu-ftpd

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

dnf --showduplicates list wu-ftpd sudo dnf downgrade wu-ftpd-<VERSION_BEFORE_2.4.1> sudo dnf versionlock add wu-ftpd

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-2004-0148?

propack: downgrade or apply the listed mitigation; wu-ftpd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0148 being exploited?

CVE-2004-0148 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-2004-0148 affect?

CVE-2004-0148 affects propack, wu-ftpd. Severity is high (CVSS 7.2). wu-ftpd 2.6.2 and earlier, with the restricted-gid option enabled, allows local users to bypass access restrictions by changing the permissions to prevent access to their home directory, which causes wu-ftpd to use the root directory instea

How urgent is CVE-2004-0148?

Priority 35/100. High severity

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References

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