CVE-2021-43584
CVE-2021-43584 is a medium-severity vulnerability in Nagios Nagios Cross Platform Agent with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2021-30499
- Weakness: CWE-79
- Affected product: Nagios Nagios Cross Platform Agent
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-43584?
- CVE-2021-43584 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-43584 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43584?
- CVE-2021-43584 affects Nagios Nagios Cross Platform Agent. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43584?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2021-43584 have an EU (EUVD) identifier?
- Yes. CVE-2021-43584 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-30499.
- When was CVE-2021-43584 published?
- CVE-2021-43584 was published on 2024-01-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nagios:nagios_cross_platform_agent:*:*:*:*:*:*:*:*
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