Vulnerability Name:

CVE-2021-31762 (CCN-200709)

Assigned:2021-04-24
Published:2021-04-24
Updated:2021-12-08
Summary: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.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
8.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
8.0 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-352
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-31762

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163492/Webmin-1.973-Cross-Site-Request-Forgery.html

Source: XF
Type: UNKNOWN
webmin-cve202131762-csrf(200709)

Source: CCN
Type: GitHub Web site
CSRF-to-RCE

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/electronicbots/CVE-2021-31762

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/Mesh3l911/CVE-2021-31762

Source: MISC
Type: Product, Third Party Advisory
https://github.com/webmin/webmin

Source: CCN
Type: Packet Storm Security [07-14-2021]
Webmin 1.973 Cross Site Request Forgery

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [07-14-2021]

Source: CCN
Type: Webmin Web site
Webmin

Source: MISC
Type: Exploit, Third Party Advisory
https://youtu.be/qCvEXwyaF5U

Vulnerable Configuration:Configuration 1:
  • cpe:/a:webmin:webmin:1.973:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:webmin:webmin:1.973:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    webmin webmin 1.973
    webmin webmin 1.973