CVE-2021-40345 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

Published: 2021-10-26

Score: 7.2 High

EPSS: 23.0% Moderate

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:nagios:nagios_xi:5.8.5:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.23044.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.md
https://synacktiv.com
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf

History

No history.

Subscriptions

Nagios Nagios Xi

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-10-26T00:00:00.000Z

Updated: 2024-08-04T02:27:31.917Z

Reserved: 2021-08-31T00:00:00.000Z

Link: CVE-2021-40345

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-26T11:15:07.757

Modified: 2026-06-17T04:06:46.080

Link: CVE-2021-40345

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nagios:nagios_xi:5.8.5:*:*:*:*:*:*:*", "matchCriteriaId": "4A87F45B-4861-4555-BC2F-D4C9AF70563D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands."}, {"lang": "es", "value": "Se ha detectado un problema en Nagios XI versi\u00f3n 5.8.5. En la secci\u00f3n Manage Dashlets del panel de administraci\u00f3n, un administrador puede cargar archivos ZIP. Una inyecci\u00f3n de comando (dentro del nombre del primer archivo en el archivo) permite a un atacante ejecutar comandos del sistema"}], "id": "CVE-2021-40345", "lastModified": "2026-06-17T04:06:46.080", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-26T11:15:07.757", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.md"}, {"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://synacktiv.com"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://synacktiv.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}