Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2021-31761 CVE-2021-31760 CVE-2021-31762 |
CWE-ID | CWE-79 CWE-352 |
Exploitation vector | Network |
Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. Public exploit code for vulnerability #3 is available. |
Vulnerable software Subscribe |
Webmin Web applications / Remote management & hosting panels |
Vendor | Webmin |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
Updated: 26.04.2021
Added vulnerabilities #2-3, changed bulletin name and its patch status to unpatched.
Updated 29.04.2021
Added fixed version.
EUVDB-ID: #VU52551
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-31761
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the running process feature. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall update from vendor's website.
Vulnerable software versionsWebmin: 1.973
External linkshttp://youtu.be/23VvUMu-28c
http://github.com/electronicbots/CVE-2021-31761
http://github.com/Mesh3l911/CVE-2021-31761
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
EUVDB-ID: #VU52555
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-31760
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin within the running process feature. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
MitigationInstall update from vendor's website.
Vulnerable software versionsWebmin: 1.973
External linkshttp://github.com/electronicbots/CVE-2021-31760
http://github.com/Mesh3l911/CVE-2021-31760
http://youtu.be/D45FN8QrzDo
http://github.com/webmin/webmin
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
EUVDB-ID: #VU52556
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-31762
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin within the add users feature. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as create a privileged user account.
MitigationInstall update from vendor's website.
Vulnerable software versionsWebmin: 1.973
External linkshttp://github.com/electronicbots/CVE-2021-31762
http://youtu.be/qCvEXwyaF5U
http://github.com/Mesh3l911/CVE-2021-31762
http://github.com/webmin/webmin
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.