CVE-2005-1177: Unknown vulnerability in (1) Webmin and (2) Usermin before 1.200 causes Webmin to change permissions and owner

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HIGH 10.0DOWNGRADEDOWNGRADE

CVE-2005-1177 is a high-severity flaw (CVSS 10.0) affecting usermin, webmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unknown vulnerability in (1) Webmin and (2) Usermin before 1.200 causes Webmin to change permissions and ownership of configuration files, with unknown impact.

Why this priority

Critical severity

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: usermin · webmin

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

usermin usermin DOWNGRADE

Affected: 0.4 · 0.5 · 0.6 · 0.7 · 0.8 · 0.9 · 0.91 · 0.92

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4 (Debian / Ubuntu)

apt-cache madison usermin sudo apt install usermin=<VERSION_BEFORE_0.4> sudo apt-mark hold usermin

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

dnf --showduplicates list usermin sudo dnf downgrade usermin-<VERSION_BEFORE_0.4> sudo dnf versionlock add usermin

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.

webmin webmin DOWNGRADE

Affected: 0.4 · 0.5 · 0.6 · 0.7 · 0.80 · 0.90 · 0.91 · 0.92

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4 (Debian / Ubuntu)

apt-cache madison webmin sudo apt install webmin=<VERSION_BEFORE_0.4> sudo apt-mark hold webmin

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

dnf --showduplicates list webmin sudo dnf downgrade webmin-<VERSION_BEFORE_0.4> sudo dnf versionlock add webmin

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-2005-1177?

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

Is CVE-2005-1177 being exploited?

CVE-2005-1177 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-2005-1177 affect?

CVE-2005-1177 affects usermin, webmin. Severity is high (CVSS 10.0). Unknown vulnerability in (1) Webmin and (2) Usermin before 1.200 causes Webmin to change permissions and ownership of configuration files, with unknown impact.

How urgent is CVE-2005-1177?

Priority 55/100. Critical severity

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References

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