Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an
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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Sep 19, 2006
- Updated
- Jun 16, 2026
- EPSS
- 0.9% · 58th percentile
- CWE
- —
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Report tools
Action score
14
Monitor
Low priority for now.
- CVSS
- 14 / 40 · 3.6 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| usermin | usermin | cpe:2.3:a:usermin:usermin |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- usermin userminup to 1.210 inclusive
- usermin usermin0.4
- usermin usermin0.5
- usermin usermin0.6
- usermin usermin0.7
- usermin usermin0.8
- usermin usermin0.9
- usermin usermin0.91
- usermin usermin0.92
- usermin usermin0.93
- usermin usermin0.94
- usermin usermin0.95
- usermin usermin0.96
- usermin usermin0.97
- usermin usermin0.98
- usermin usermin0.99
- usermin usermin1.000
- usermin usermin1.010
- usermin usermin1.020
- usermin usermin1.030
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:3.1 | usermin | before 1.110-3.1 | 1.110-3.1 |
Same product
usermin: all recordsOther highest-scoring records for the same primary product.
- CVE-2003-0101miniserv.pl in (1) Webmin before 1.070 and (2) Usermin before 1.000 does not properly handle metacharacters such as line feeds and carriage 45Plan
- CVE-2006-3392Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allows remote attackers to read ar43Plan
- CVE-2005-1177Unknown vulnerability in (1) Webmin and (2) Usermin before 1.200 causes Webmin to change permissions and ownership of configuration files, w41Plan
- CVE-2005-3042miniserv.pl in Webmin before 1.230 and Usermin before 1.160, when "full PAM conversations" is enabled, allows remote attackers to bypass aut31Monitor
- CVE-2004-1468The web mail functionality in Usermin 1.x and Webmin 1.x allows remote attackers to execute arbitrary commands via shell metacharacters in a31Monitor
- CVE-2002-0756Cross-site scripting vulnerability in the authentication page for (1) Webmin 0.96 and (2) Usermin 0.90 allows remote attackers to insert scr31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:usermin | 1.110-3.1 · Debian:3.1 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:L/AC:L/Au:N/C:P/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- secunia.com/advisories/21968
- secunia.com/advisories/21981
- sourceforge.net/tracker/index.php?func=detail&aid=1509145&group_id=17457&atid=485894
- www.debian.org/security/2006/dsa-1177
- www.osreviews.net/reviews/admin/usermin
- www.securityfocus.com/bid/18574
- www.vupen.com/english/advisories/2006/3668
- www.webmin.com/uchanges.html
- exchange.xforce.ibmcloud.com/vulnerabilities/29010
Vendor advisories and official records. Exploit/PoC links are deliberately left out.