Vulnerability Name:

CVE-2021-3273 (CCN-197431)

Assigned:2021-01-22
Published:2021-01-22
Updated:2021-03-02
Summary:Nagios XI below 5.7 is affected by code injection in the /nagiosxi/admin/graphtemplates.php component. To exploit this vulnerability, someone must have an admin user account in Nagios XI's web system.
CVSS v3 Severity:7.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/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): High
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
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-94
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-3273

Source: XF
Type: UNKNOWN
nagiosxi-cve20213273-code-exec(197431)

Source: CCN
Type: GitHub Web site
Nagios

Source: MISC
Type: Exploit, Third Party Advisory
https://gist.github.com/leommxj/93edce6f8572cefe79a3d7da4389374e

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

Source: CCN
Type: Nagios Web site
Nagios XI

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nagios:nagios_xi:*:*:*:*:*:*:*:* (Version < 5.7)

  • Configuration CCN 1:
  • cpe:/a:nagios:nagios_xi:5.2.7:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.2.9:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.4.12:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.4.13:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.5.10:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.6.9:*:*:*:*:*:*:*
  • OR cpe:/a:nagios:nagios_xi:5.6.11:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    nagios nagios xi *
    nagios nagios xi 5.2.7
    nagios nagios xi 5.2.9
    nagios nagios xi 5.4.12
    nagios nagios xi 5.4.13
    nagios nagios xi 5.5.6
    nagios nagios xi 5.5.7
    nagios nagios xi 5.5.10
    nagios nagios xi 5.6.1
    nagios nagios xi 5.5.3
    nagios nagios xi 5.6.5
    nagios nagios xi 5.6.9
    nagios nagios xi 5.6.11