Webmin
CVE-2021-31762
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature.
AnalysisAI
Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature. Affected products include: Webmin.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.
file/show.cgi in Webmin 1.590 and earlier allows remote authenticated users to execute arbitrary commands via an invalid
file/edit_html.cgi in Webmin 1.590 and earlier does not perform an authorization check before showing a file's unedited
software/apt-lib.pl in Webmin before 1.997 lacks HTML escaping for a UI command. Rated critical severity (CVSS 9.8), thi
An issue was discovered in Webmin <=1.920. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitabl
Improper Access Control to Remote Code Execution in GitHub repository webmin/webmin prior to 1.990. Rated high severity
In Webmin through 1.910, any user authorized to the "Package Updates" module can execute arbitrary commands with root pr
SSRF exists in Webmin 1.850 via the PATH_INFO to tunnel/link.cgi, as demonstrated by a GET request for tunnel/link.cgi/h
Webmin 1.900 allows remote attackers to execute arbitrary code by leveraging the "Java file manager" and "Upload and Dow
Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's ru
CSRF exists in Webmin 1.850. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authenticati
Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually creat
Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to achieve Remote Command Execution (RCE) through Webmin's
Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
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