CVE Catalog

CVE-2006-1670

High
Published: Translated: NVD NIST

Summary

Control cards in Cisco Optical Networking System (ONS) 15000 series nodes before April 5, 2006 are vulnerable to a DoS attack by sending an invalid response instead of the expected final ACK. The attack can cause memory exhaustion and potentially card reset.

Risk Assessment

The risk is remote disruption of optical network operations due to memory exhaustion on control cards, potentially leading to service outages and requiring manual intervention.

Recommendation

Immediately upgrade the control card software to a version containing the CSCei45910 fix and restrict management interface access to trusted hosts only.

Related vulnerabilities

Original NVD description (English source)

Control cards for Cisco Optical Networking System (ONS) 15000 series nodes before 20060405 allow remote attackers to cause a denial of service (memory exhaustion and possibly card reset) by sending an invalid response when the final ACK is expected, aka bug ID CSCei45910.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS