Vulnerability Name:

CVE-2020-28907 (CCN-202381)

Assigned:2020-11-17
Published:2021-05-20
Updated:2021-06-03
Summary:Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to download of an untrusted update package in upgrade_to_latest.sh.
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-295
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-28907

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-cve202028907-priv-esc(202381)

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