9.8

CVE-2021-36366: nagios nagios_xi

Modified
Published 28-09-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-36366 is a critical (CVSS 9.8) vulnerability in nagios nagios_xi. EPSS estimates a 4.00% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
4.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 28-09-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Nagios XI before 5.8.5 incorrectly allows manage_services.sh wildcards.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.00%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.00% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Nagios1 product

1 vendor · 1 product

References

2 links