Authenticated Command Injection in Nagios Log Server by Nagios
CVE-2025-34322

8.6HIGH

Key Information:

Vendor

NagiOS

Vendor
CVE Published:
17 November 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-34322?

Nagios Log Server prior to version 2026R1.0.1 is vulnerable to an authenticated command injection flaw stemming from its experimental 'Natural Language Queries' functionality. This vulnerability allows authenticated users with access to global configuration to execute arbitrary system commands. The flaw arises because configuration values are read from application settings and used in system commands without sufficient validation of input. Consequently, an attacker can leverage this vulnerability to compromise the underlying system by executing commands with the privileges of the web server account.

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Affected Version(s)

Log Server 0 < 2026R1.0.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

M. Cory Billington of theyhack.me
.