Is It On KEV?

Nagios Nagios XI

YES - ON THE CISA KEV LIST
CVE-2019-15949

Nagios XI Remote Code Execution Vulnerability

CISA catalog due date2022-05-03
overdue since 2022-05-03
EPSS exploit probability (next 30 days)77.0% · 100percentile
From CVE publication to KEV listing790 days (2019-09-05 → 2021-11-03)
Remediation window (KEV listing to due date)181 days
Days on the KEV list1834 days
Date added to KEV2021-11-03
Known ransomware campaign useUnknown
VendorNagios
ProductNagios XI
Weaknesses (CWE)CWE-78

Nagios: 4 entries (0.2% of all KEV entries are from this vendor); 0 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

Nagios XI contains a remote code execution vulnerability in which a user can modify the check_plugin executable and insert malicious commands to execute as root.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-15949

References

Other KEV entries for this vendor: Nagios

Nagios - Vendors with KEV entries

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