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CVE-2023-28354 is a vulnerability in Opsview Monitor Agent 6.8 where the NRPE (Nagios Remote Plugin Executor) interface allows unauthenticated remote attackers to invoke check_nrpe with arbitrary, known NRPE plugins. Due to insecure handling of command control characters, these plugins can pass unsanitized input directly to command-line interpreters. This enables attackers to escape the intended plugin execution context and execute arbitrary commands on the target system with NT_AUTHORITY\SYSTEM privileges.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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No public activity observed for this vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
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