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Usermin CVE-2014-3883

MEDIUM
OS Command Injection (CWE-78)
2014-06-21 vultures@jpcert.or.jp
Command Injection Usermin Webmin
6.8
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-78
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 6.8 (MEDIUM). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 0.52%.
Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Usermin before 1.600 allows remote attackers to execute arbitrary operating-system commands via unspecified vectors related to a user action. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Usermin before 1.600 allows remote attackers to execute arbitrary operating-system commands via unspecified vectors related to a user action. Affected products include: Webmin Usermin. Version information: before 1.600.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
M
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

Usermin before 1.600 allows remote attackers to execute arbitrary operating-system commands via unspecified vectors related to a user action.

Threat Intelligence Overview

EPSS Score
0.5%
Top 33% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:a:webmin:usermin:*:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.4:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.5:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.6:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.7:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.80:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.90:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.910:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.929:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.930:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.940:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.950:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.960:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.970:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.980:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:0.990:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:1.000:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:1.010:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:1.020:*:*:*:*:*:*:*
cpe:2.3:a:webmin:usermin:1.030:*:*:*:*:*:*:*
+ 56 more

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Usermin 0.980 through 1.x before 1.660 allows uconfig_save.cgi sig_file_free remote code execution because it uses the t
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Usermin through 1.850 allows a remote authenticated user to execute OS commands via command injection in a filename for

CVE-2023-41160 MEDIUM POC
5.4 Sep 14

A Stored Cross-Site Scripting (XSS) vulnerability in the SSH configuration tab in Usermin 2.001 allows remote attackers

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5.3 Oct 16

A discrepancy in error messages for invalid login attempts in Webmin Usermin v2.100 allows attackers to enumerate valid

CVE-2016-4897 MEDIUM
6.1 Apr 12

Multiple cross-site scripting (XSS) vulnerabilities in (1) filter/save_forward.cgi, (2) filter/save.cgi, (3) /man/search
CVE-2024-36453 MEDIUM
6.1 Jul 10

Cross-site scripting vulnerability exists in session_login.cgi of Webmin versions prior to 1.970 and Usermin versions pr
CVE-2023-41162 MEDIUM
6.1 Sep 13

A Reflected Cross-site scripting (XSS) vulnerability in the file manager tab in Usermin 2.000 allows remote attackers to
CVE-2022-36880 MEDIUM
6.1 Jul 27

The Read Mail module in Webmin 1.995 and Usermin through 1.850 allows XSS via a crafted HTML e-mail message. Rated mediu
CVE-2023-41157 MEDIUM
5.4 Sep 16

Multiple stored cross-site scripting (XSS) vulnerabilities in Usermin 2.000 allow remote attackers to inject arbitrary w
CVE-2023-41159 MEDIUM
5.4 Sep 14

A Stored Cross-Site Scripting (XSS) vulnerability while editing the autoreply file page in Usermin 2.000 allows remote a
CVE-2023-41156 MEDIUM
5.4 Sep 14

A Stored Cross-Site Scripting (XSS) vulnerability in the filter and forward mail tab in Usermin 2.001 allows remote atta
CVE-2023-41158 MEDIUM
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A Stored Cross-Site Scripting (XSS) vulnerability in the MIME type programs tab in Usermin 2.000 allows remote attackers

Same weakness CWE-78 – OS Command Injection

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CVE-2016-3081 HIGH POC
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CVE-2012-1823 CRITICAL POC
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References

Advisories & patches
REF http://jvn.jp/en/jp/JVN48805624/index.html REF http://jvndb.jvn.jp/jvndb/JVNDB-2014-000057 REF https://www.ipa.go.jp/security/ciadr/vul/20140620-jvn.html

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