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CVE-2020-28906: nagios fusion Incorrect Default Permissions

CVSS: 9.0v2.0HighModified
Published 24-05-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-28906 is a high (CVSS 9.0) Incorrect Default Permissions vulnerability in nagios fusion. EPSS estimates a 6.21% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
6.21%
0%100%
Low · +1.49 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

6.21%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+1.49 pp

From 4.73% on 21-09-2026

21-09-202621-10-2026
EPSS score
6.21%

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

3 links