VAR-200501-0159

Vulnerability from variot - Updated: 2025-04-03 22:26

The lock manager in Cisco CNS Network Registrar 6.0 through 6.1.1.3 allows remote attackers to cause a denial of service (process crash) via a certain "unexpected packet sequence.". Cisco CNS Network Registrar is a DNS/DHCP server offered by Cisco. It is available for Microsoft Windows, UNIX, and Linux platforms. These issues affect the Domain Name Service and Dynamic Host Configuration Protocol server components of the CNS Network Registrar. It is reported that an attacker may cause a crash by sending a specially crafted packet sequence to an affected server. These vulnerabilities only affect Cisco CNS Network Registrar for the Microsoft Windows platform. The first issue affects CNS Network Registrar versions 6.0 upto and including 6.1.1.3 and the second issue affects all versions including 6.1.1.3

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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