Vulnerability Name:

CVE-2020-28901 (CCN-202396)

Assigned:2020-11-17
Published:2021-05-20
Updated:2021-05-28
Summary:Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Execution as root via vectors related to corrupt component installation in cmd_subsys.php.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (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:U/RL:O/RC:C)
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
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)
8.5 High (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:U/RL:O/RC:C)
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:10.0 High (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
Authentication (Au): None
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-77
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-28901

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html

Source: XF
Type: UNKNOWN
nagiosfusion-cve202028901-priv-esc(202396)

Source: CCN
Type: Skylight Web site
13 Nagios Vulnerabilities, #7 will SHOCK you!

Source: MISC
Type: Exploit, Third Party Advisory
https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.nagios.com/downloads/nagios-xi/change-log/

Source: CCN
Type: Nagios Web site
Nagios Fusion

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nagios:fusion:*:*:*:*:*:*:*:* (Version <= 4.1.8)

    • Configuration CCN 1:
  • cpe:/a:nagios:fusion:4.1.8:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:fusion:4.1.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    nagios fusion *
    nagios fusion 4.1.8
    nagios fusion 4.1.7