CVE-2023-28354 Command injection in n/a

Critical 9.8 Published Updated

Unauthenticated attackers can execute arbitrary commands as SYSTEM via NRPE plugin injection in Opsview Monitor Agent.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-28354?

CVE-2023-28354 is a critical command injection vulnerability in n/a, published on 9 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Opsview Monitor Agent 6.8. An unauthenticated remote attacker can call check_nrpe against affected targets, specifying known NRPE plugins, which in default installations are configured to accept command control characters and pass them to command-line interpreters for NRPE plugin execution. This allows the attacker to escape NRPE plugin execution and execute commands remotely on the target as NT_AUTHORITY\SYSTEM.

Weakness: CWE-94

Which versions are affected by CVE-2023-28354?

How do I fix CVE-2023-28354?

No fix has been published for CVE-2023-28354 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-28354 being exploited?

There is no known exploitation of CVE-2023-28354 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-ph42-w6gw-p84w.

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