VDB-330649 · CVE-2020-36859 · GCVE-0-2020-36859

Nagios XI up to 5.7.3 Object Edit Page sql injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Nagios XI up to 5.7.3. Affected by this vulnerability is an unknown functionality of the component Object Edit Page. This manipulation causes sql injection. The identification of this vulnerability is CVE-2020-36859. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nagios XI up to 5.7.3. It has been declared as critical. Affected by this vulnerability is an unknown code of the component Object Edit Page. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.0.7 / Nagios XI 5.7.4 contains multiple SQL injection vulnerabilities in the object edit pages. Unsanitized user-supplied input was incorporated into SQL queries used by configuration object editors, allowing authenticated users to inject SQL fragments. Successful exploitation could lead to unauthorized disclosure or modification of configuration and application data, and in some environments could allow further compromise of the application or backend database.

The weakness was shared by Matthew Aberegg. The advisory is shared at nagios.com. This vulnerability is known as CVE-2020-36859 since 10/29/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

Upgrading to version 5.7.4 eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Log Management Software

Vendor

Nagios

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: XI 5.7.4

Timelineinfo

10/29/2025 CVE reserved
10/31/2025 +2 days Advisory disclosed
10/31/2025 +0 days VulDB entry created
11/08/2025 +7 days VulDB entry last update

Sourcesinfo

Advisory: nagios.com
Researcher: Matthew Aberegg
Status: Confirmed

CVE: CVE-2020-36859 (🔒)
GCVE (CVE): GCVE-0-2020-36859
GCVE (VulDB): GCVE-100-330649

Entryinfo

Created: 10/31/2025 07:34
Updated: 11/08/2025 00:11
Changes: 10/31/2025 07:34 (70), 11/08/2025 00:11 (11)
Complete: 🔍
Cache ID: 216::103