6.1

CVE-2021-4285: nagios nagios_cross_platform_agent Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 27-12-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-4285 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in nagios nagios_cross_platform_agent. EPSS estimates a 1.77% chance of exploitation in the next 30 days, higher than 77.8% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
1.77%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-12-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability classified as problematic was found in Nagios NCPA. This vulnerability affects unknown code of the file agent/listener/templates/tail.html. The manipulation of the argument name leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to address this issue. The name of the patch is 5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5. It is recommended to upgrade the affected component. VDB-216874 is the identifier assigned to this vulnerability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.77%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.08 pp

From 1.69% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nagios2 products

1 vendor · 2 products

References

5 links