CVE-2006-4246: Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save

Q: How do I fix CVE-2006-4246?

usermin: upgrade to newer than 1.210. Exact commands for each OS are on this page.

Q: Is CVE-2006-4246 being exploited?

CVE-2006-4246 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-2006-4246 affect?

CVE-2006-4246 affects usermin. Severity is low (CVSS 3.6). Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an empty shell parameter, which results in changing root's shell instead of the shell of a specified us

Q: How urgent is CVE-2006-4246?

Priority 32/100. On your watchlist

Routine

LOW 3.6WATCHLISTUPGRADE

CVE-2006-4246 is a low-severity flaw (CVSS 3.6) affecting usermin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an empty shell parameter, which results in changing root's shell instead of the shell of a specified user.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	3.6 (Low)
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Published	2006-09-19
Last modified	2026-06-16

Publisher (CNA): Debian GNU/Linux · Vendor: usermin

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

Am I affected?

Timeline

2006-09-19 18:07 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

usermin usermin UPGRADE

Affected: <= 1.210 · 0.4 · 0.5 · 0.6 · 0.7 · 0.8 · 0.9 · 0.91

Fixed in: newer than 1.210

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.210 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade usermin

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-2006-4246?

usermin: upgrade to newer than 1.210. Exact commands for each OS are on this page.

Is CVE-2006-4246 being exploited?

CVE-2006-4246 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-2006-4246 affect?

CVE-2006-4246 affects usermin. Severity is low (CVSS 3.6). Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an empty shell parameter, which results in changing root's shell instead of the shell of a specified us

How urgent is CVE-2006-4246?

Priority 32/100. On your watchlist

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References

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