CVE-2006-3392: Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allo

Q: How do I fix CVE-2006-3392?

usermin: upgrade to newer than 1.210; webmin: upgrade to newer than 1.2.80. Exact commands for each OS are on this page.

Q: Is CVE-2006-3392 being exploited?

CVE-2006-3392 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-2006-3392 affect?

CVE-2006-3392 affects usermin, webmin. Severity is medium (CVSS 5.0). Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allows remote attackers to read arbitrary files, as demonstrated using "..%01" sequences, which bypass the removal of "../" sequences

Q: How urgent is CVE-2006-3392?

Priority 47/100. EPSS top 1%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.0UPGRADEUPGRADE

CVE-2006-3392 is a medium-severity flaw (CVSS 5.0) affecting usermin, webmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allows remote attackers to read arbitrary files, as demonstrated using "..%01" sequences, which bypass the removal of "../" sequences before bytes such as "%01" are removed from the filename. NOTE: This is a different issue than CVE-2006-3274.

Why this priority

EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	79.5% (top 1%)
CISA exploited list	No
Published	2006-07-06
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

2006-07-06 20:05 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

usermin usermin UPGRADE

Affected: <= 1.210

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.

webmin webmin UPGRADE

Affected: <= 1.2.80

Fixed in: newer than 1.2.80

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2.80 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webmin

Note

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

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: Webmin < 1.290 / Usermin < 1.220 - Arbitrary File Disclosure
Exploit-DB: Webmin < 1.290 / Usermin < 1.220 - Arbitrary File Disclosure
Metasploit: Webmin File Disclosure
Nuclei scan template: Webmin < 1.290 / Usermin < 1.220 - Arbitrary File Disclosure

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-2006-3392?

usermin: upgrade to newer than 1.210; webmin: upgrade to newer than 1.2.80. Exact commands for each OS are on this page.

Is CVE-2006-3392 being exploited?

CVE-2006-3392 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-2006-3392 affect?

CVE-2006-3392 affects usermin, webmin. Severity is medium (CVSS 5.0). Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allows remote attackers to read arbitrary files, as demonstrated using "..%01" sequences, which bypass the removal of "../" sequences

How urgent is CVE-2006-3392?

Priority 47/100. EPSS top 1%: very likely to be exploited; Public exploit reference

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References

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