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CVE-2025-20262

A vulnerability in the Protocol Independent Multicast Version 6 (PIM6) feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denial of service (DoS) condition.

This vulnerability is due to improper processing of PIM6 ephemeral data queries. An attacker could exploit this vulnerability by sending a crafted ephemeral query to an affected device through one of the following methods: NX-API REST, NETCONF, RESTConf, gRPC, or Model Driven Telemetry. A successful exploit could allow the attacker to cause the PIM6 process to crash and restart, causing potential adjacency flaps and resulting in a DoS of the PIM6 and ephemeral query processes.

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HerstellerCisco
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Produkt Cisco NX-OS Software
Default Statusunknown
Version 9.2(3)
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Version 9.2(2v)
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Version 9.2(1)
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Version 9.2(2t)
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Version 9.2(3y)
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Version 9.3(2)
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Version 9.2(4)
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Version 9.3(1)
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Version 9.3(1z)
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Version 9.2(2)
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Version 9.3(3)
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Version 9.3(4)
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Version 9.3(5)
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Version 9.3(6)
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Version 10.1(2)
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Version 10.1(1)
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Version 9.3(5w)
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Version 9.3(7)
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Version 9.3(7k)
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Version 10.2(1)
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Version 9.3(7a)
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Version 9.3(8)
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Version 10.2(1q)
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Version 10.2(2)
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Version 9.3(9)
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Version 10.1(2t)
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Version 10.2(3)
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Version 10.2(3t)
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Version 9.3(10)
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Version 10.2(2a)
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Version 10.3(1)
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Version 10.2(4)
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Version 10.3(2)
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Version 9.3(11)
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Version 10.3(3)
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Version 10.2(5)
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Version 9.3(12)
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Version 10.2(3v)
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Version 10.4(1)
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Version 10.3(99w)
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Version 10.2(6)
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Version 10.3(3w)
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Version 10.3(99x)
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Version 10.3(3o)
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Version 10.3(4)
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Version 10.3(3p)
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Version 10.3(4a)
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Version 10.4(2)
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Version 10.3(3q)
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Version 9.3(13)
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Version 10.3(5)
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Version 10.2(7)
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Version 10.4(3)
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Version 10.3(3x)
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Version 10.3(4g)
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Version 10.5(1)
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Version 10.2(8)
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Version 10.3(3r)
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Version 10.3(6)
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Version 9.3(14)
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Version 10.4(4)
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Version 10.3(4h)
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Version 10.5(2)
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Version 10.4(4g)
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Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.361
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@cisco.com 5 3.1 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.