Vulnerability Report

CVE-2021-43584

Title: Nagios Nagios Cross Platform Agent Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)

Proof Of Concept

No public PoC currently indexed for CVE-2021-43584.

CWE Category CWE-79
Published Date Jan 24, 2024
Modified Date Jun 16, 2025
Exploit Status Not Found
Score 4.8 CVSS v3.1
Exploit Probability (EPSS)
1.20%

Vulnerability Summary

CVE-2021-43584: DOM-based Cross Site Scripting (XSS vulnerability in 'Tail Event Logs' functionality in Nagios Nagios Cross-Platform Agent (NCPA) before 2.4.0 allows attackers to run arbitrary code via the name element when filtering for a log.

Impacted Vendors

N
nagios 1

Reference Links

https://github.com/NagiosEnterprises/ncpa/issues/830 https://github.com/NagiosEnterprises/ncpa/issues/830
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity MEDIUM
4.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-43584 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.