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Vulnerability record · CVE-2023-53948 · published 19 December 2025

CVE-2023-53948: OS command injection vulnerability

Lilac-Reloaded for Nagios 2.0.8 contains a remote code execution vulnerability in the autodiscovery feature that allows attackers to inject arbitrary commands. Attackers can exploit the lack of input filtering in the nmap_binary parameter to execute a reverse shell by sending a crafted POST request to the autodiscovery endpoint.

9.3 CVSS 4.0 Critical EPSS 0.93% · top 40.9% CWE-78 · OS command injection Deferred
9.3CVSS 4.0 base score
0.93%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Lilac-Reloaded for Nagios 2.0.8 contains a remote code execution vulnerability in the autodiscovery feature that allows attackers to inject arbitrary commands. Attackers can exploit the lack of input filtering in the nmap_binary parameter to execute a reverse shell by sending a crafted POST request to the autodiscovery endpoint.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://exchange.nagios.org/directory/addons/configuration/lilac-2dreloaded/details/
https://www.exploit-db.com/exploits/51374
https://www.vulncheck.com/advisories/lilac-reloaded-for-nagios-remote-code-execution-via-autodiscovery

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Source: NIST National Vulnerability Database (record CVE-2023-53948), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.