CVE-2020-36857

Nagios XI < 5.6.14 Authenticated SQL Injection via SNMP Trap Interface Page

Published Oct 30, 2025 CVSS 4.0 · 8.6 High EPSS 2.3% KEV · Not listed
Description
Nagios XI versions prior to 5.6.14 contain a post-authentication SQL injection vulnerability in the SNMP Trap Interface page. Exploitation requires an account with administrative privileges to access the affected interface. A user with administrative access could supply crafted input that is not properly sanitized, allowing SQL injection that may lead to unauthorized disclosure or modification of application data or execution of arbitrary SQL commands against the backend database.

Remediation

Vendor Solution

Nagios addresses this vulnerability as "Possible postauth SQL injection in the SNMP Trap Interface page. User must have administrative privileges to access" and "Fixed issues with order by on SNMP Trap Interface SQL injections with a whitelist."

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nagios nagios Xi
CPEs cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
Vendors & Products Nagios nagios Xi
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nagios
Nagios xi
Vendors & Products Nagios
Nagios xi
Type Values Removed Values Added
Description Nagios XI versions prior to 5.6.14 contain a post-authentication SQL injection vulnerability in the SNMP Trap Interface page. Exploitation requires an account with administrative privileges to access the affected interface. A user with administrative access could supply crafted input that is not properly sanitized, allowing SQL injection that may lead to unauthorized disclosure or modification of application data or execution of arbitrary SQL commands against the backend database.
Title Nagios XI < 5.6.14 Authenticated SQL Injection via SNMP Trap Interface Page
Weaknesses CWE-89
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 24, 2025, 8:28 PM
Reserved
Oct 21, 2025, 8:33 PM
Status
Analyzed
Published
Oct 30, 2025, 10:15 PM
Modified
Oct 18, 2026, 12:10 AM