Vulnerability Name:

CVE-2020-35606 (CCN-193542)

Assigned:2020-12-21
Published:2020-12-21
Updated:2022-04-26
Summary:Arbitrary command execution can occur in Webmin through 1.962. Any user authorized for the Package Updates module can execute arbitrary commands with root privileges via vectors involving %0A and %0C.
Note: this issue exists because of an incomplete fix for CVE-2019-12840.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
8.2 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
9.2 Critical (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.0 High (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
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-35606

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html

Source: XF
Type: UNKNOWN
webmin-cve202035606-command-exec(193542)

Source: CCN
Type: Packet Storm Security [12-22-2020]
Webmin 1.962 Remote Command Execution

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [12-22-2020]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
49318

Source: CCN
Type: Pentest Web site
Webmin

Source: MISC
Type: Exploit, Third Party Advisory
https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html

Source: CCN
Type: Webmin Web site
Webmin

Source: MISC
Type: Product
https://www.webmin.com/download.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:webmin:webmin:*:*:*:*:*:*:*:* (Version <= 1.962)

    • Configuration CCN 1:
  • cpe:/a:webmin:webmin:1.962:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    webmin webmin *
    webmin webmin 1.962