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Ciena security advisories

4 advisories across Ciena

Company profile
Advisory
Ciena Navigator NCS: information disclosure
High7.5Sep 25
Ciena MCP: privilege escalation
Critical9.8Jul 14
Ciena Inventory: authentication bypass
Critical9.8Jul 14
Ciena 6500 S-Series: authentication bypass
Critical9.1Jul 6
About Ciena

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025.

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