Cisco CNC and NSO Flaw Allows Remote Attackers to Lock Down Network Management
ID: 531a3d9b-1356-573c-b19b-92f12b8f31c4
STIX ID: report--531a3d9b-1356-573c-b19b-92f12b8f31c4
Feed Name: securityonline.info
Threat Score
Cisco has published an advisory for CVE-2026-20188: a high-priority DoS vulnerability in Crosswork Network Controller and Network Services Orchestrator where insufficient rate-limiting allows an unauthenticated remote attacker to exhaust connection resources, rendering management platforms unresponsive until a manual reboot; fixed releases are CNC 7.2 and NSO 6.4.1.3/6.5.
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