Vulnerability Name:

CVE-2020-28903 (CCN-202394)

Assigned:2020-11-17
Published:2021-05-20
Updated:2021-05-28
Summary:Improper input validation in Nagios Fusion 4.1.8 and earlier allows a remote attacker with control over a fused server to inject arbitrary HTML, aka XSS.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2020-28903

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-cve202028903-xss(202394)

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