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Apache OpenNMS CVE-2021-40666: SNMP RCE Vulnerability Analysis and POC

github.com 2026-10-29 English translation pending; showing Chinese 查看中文 →
Security Advisory CVE-2021-40666 Critical Apache
Affected:
  • Apache OpenNMS 3.3.0
  • Apache OpenNMS 3.3.1
  • Apache OpenNMS 3.3.2
  • Apache OpenNMS 3.3.3
  • Apache OpenNMS 3.3.4
Fixed in:
  • Apache OpenNMS 3.3.12
Referenced CVEs: CVE-2026-118578 · 4.3
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